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101065000520 = 235114722921341
BaseRepresentation
bin101111000011111110…
…0011000011001001000
3100122212101121222022102
41132013330120121020
53123440120004040
6114232325412532
710205325221201
oct1360774303110
9318771558272
10101065000520
1139952615820
121770656a148
1396b8357973
144c6a68c5a8
1529679aa515
hex1787f18648

101065000520 has 128 divisors (see below), whose sum is σ = 254464934400. Its totient is φ = 35810227200.

The previous prime is 101065000513. The next prime is 101065000541. The reversal of 101065000520 is 25000560101.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 101065000492 and 101065000501.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4725050 + ... + 4746390.

It is an arithmetic number, because the mean of its divisors is an integer number (1988007300).

Almost surely, 2101065000520 is an apocalyptic number.

101065000520 is a gapful number since it is divisible by the number (10) 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 101065000520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127232467200).

101065000520 is an abundant number, since it is smaller than the sum of its proper divisors (153399933880).

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

101065000520 is a wasteful number, since it uses less digits than its factorization.

101065000520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21639 (or 21635 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

Adding to 101065000520 its reverse (25000560101), we get a palindrome (126065560621).

The spelling of 101065000520 in words is "one hundred one billion, sixty-five million, five hundred twenty", and thus it is an aban number.

Divisors: 1 2 4 5 8 10 11 20 22 40 44 47 55 88 94 110 188 220 229 235 376 440 458 470 517 916 940 1034 1145 1832 1880 2068 2290 2519 2585 4136 4580 5038 5170 9160 10076 10340 10763 12595 20152 20680 21341 21526 25190 42682 43052 50380 53815 85364 86104 100760 106705 107630 118393 170728 213410 215260 234751 236786 426820 430520 469502 473572 591965 853640 939004 947144 1003027 1173755 1183930 1878008 2006054 2347510 2367860 4012108 4695020 4735720 4887089 5015135 8024216 9390040 9774178 10030270 11033297 19548356 20060540 22066594 24435445 39096712 40121080 44133188 48870890 53757979 55166485 88266376 97741780 107515958 110332970 195483560 215031916 220665940 229693183 268789895 430063832 441331880 459386366 537579790 918772732 1075159580 1148465915 1837545464 2150319160 2296931830 2526625013 4593863660 5053250026 9187727320 10106500052 12633125065 20213000104 25266250130 50532500260 101065000520