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83952280272 = 2437418968473
BaseRepresentation
bin100111000101111110…
…0100010001011010000
322000200210000201021210
41032023330202023100
52333413240432042
6102322300420120
76031262415420
oct1161374421320
9260623021253
1083952280272
1132670967813
121432b547640
137bbbbb8cb3
1440c5a2a480
1522b5469a9c
hex138bf222d0

83952280272 has 160 divisors (see below), whose sum is σ = 256761066240. Its totient is φ = 23138058240.

The previous prime is 83952280271. The next prime is 83952280309. The reversal of 83952280272 is 27208225938.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83952280271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1191828 + ... + 1260300.

It is an arithmetic number, because the mean of its divisors is an integer number (1604756664).

Almost surely, 283952280272 is an apocalyptic number.

83952280272 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83952280272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128380533120).

83952280272 is an abundant number, since it is smaller than the sum of its proper divisors (172808785968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

83952280272 is a wasteful number, since it uses less digits than its factorization.

83952280272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68621 (or 68615 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 48.

The spelling of 83952280272 in words is "eighty-three billion, nine hundred fifty-two million, two hundred eighty thousand, two hundred seventy-two".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 41 42 48 56 82 84 89 112 123 164 168 178 246 267 287 328 336 356 492 534 574 623 656 712 861 984 1068 1148 1246 1424 1722 1869 1968 2136 2296 2492 3444 3649 3738 4272 4592 4984 6888 7298 7476 9968 10947 13776 14596 14952 21894 25543 29192 29904 43788 51086 58384 68473 76629 87576 102172 136946 153258 175152 204344 205419 273892 306516 408688 410838 479311 547784 613032 821676 958622 1095568 1226064 1437933 1643352 1917244 2807393 2875866 3286704 3834488 5614786 5751732 6094097 7668976 8422179 11229572 11503464 12188194 16844358 18282291 19651751 22459144 23006928 24376388 33688716 36564582 39303502 42658679 44918288 48752776 58955253 67377432 73129164 78607004 85317358 97505552 117910506 127976037 134754864 146258328 157214008 170634716 235821012 249857977 255952074 292516656 314428016 341269432 471642024 499715954 511904148 682538864 749573931 943284048 999431908 1023808296 1499147862 1749005839 1998863816 2047616592 2998295724 3498011678 3997727632 5247017517 5996591448 6996023356 10494035034 11993182896 13992046712 20988070068 27984093424 41976140136 83952280272