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8379457968 = 24371271311499
BaseRepresentation
bin1111100110111010…
…00110000110110000
3210121222102120101010
413303131012012300
5114130120123333
63503252510520
7414436134420
oct76335060660
923558376333
108379457968
11360aa92882
12175a31b440
13a3704166b
14596c42480
153409a2563
hex1f37461b0

8379457968 has 160 divisors (see below), whose sum is σ = 25141248000. Its totient is φ = 2355575040.

The previous prime is 8379457967. The next prime is 8379457997. The reversal of 8379457968 is 8697549738.

It is a junction number, because it is equal to n+sod(n) for n = 8379457899 and 8379457908.

It is not an unprimeable number, because it can be changed into a prime (8379457963) 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, 5589283 + ... + 5590781.

It is an arithmetic number, because the mean of its divisors is an integer number (157132800).

Almost surely, 28379457968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8379457968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12570624000).

8379457968 is an abundant number, since it is smaller than the sum of its proper divisors (16761790032).

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

8379457968 is a wasteful number, since it uses less digits than its factorization.

8379457968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1775 (or 1769 counting only the distinct ones).

The product of its digits is 91445760, while the sum is 66.

The square root of 8379457968 is about 91539.3793293356. The cubic root of 8379457968 is about 2031.1343097212.

The spelling of 8379457968 in words is "eight billion, three hundred seventy-nine million, four hundred fifty-seven thousand, nine hundred sixty-eight".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 56 84 112 127 131 168 254 262 336 381 393 508 524 762 786 889 917 1016 1048 1499 1524 1572 1778 1834 2032 2096 2667 2751 2998 3048 3144 3556 3668 4497 5334 5502 5996 6096 6288 7112 7336 8994 10493 10668 11004 11992 14224 14672 16637 17988 20986 21336 22008 23984 31479 33274 35976 41972 42672 44016 49911 62958 66548 71952 83944 99822 116459 125916 133096 167888 190373 196369 199644 232918 251832 266192 349377 380746 392738 399288 465836 503664 571119 589107 698754 761492 785476 798576 931672 1142238 1178214 1332611 1374583 1397508 1522984 1570952 1863344 2284476 2356428 2665222 2749166 2795016 3045968 3141904 3997833 4123749 4568952 4712856 5330444 5498332 5590032 7995666 8247498 9137904 9425712 10660888 10996664 15991332 16494996 21321776 21993328 24938863 31982664 32989992 49877726 63965328 65979984 74816589 99755452 149633178 174572041 199510904 299266356 349144082 399021808 523716123 598532712 698288164 1047432246 1197065424 1396576328 2094864492 2793152656 4189728984 8379457968