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9100900896 = 2531915313259
BaseRepresentation
bin10000111100111010…
…01011101000100000
3212111020221200000120
420132131023220200
5122114312312041
64103023520240
7441346244523
oct103635135040
925436850016
109100900896
1139502485aa
12191ba59080
13b2064ab79
1462499cbba
15383ead366
hex21e74ba20

9100900896 has 96 divisors (see below), whose sum is σ = 25171372800. Its totient is φ = 2871210240.

The previous prime is 9100900891. The next prime is 9100900903. The reversal of 9100900896 is 6980090019.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (9100900891) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2790915 + ... + 2794173.

It is an arithmetic number, because the mean of its divisors is an integer number (262201800).

Almost surely, 29100900896 is an apocalyptic number.

9100900896 is a gapful number since it is divisible by the number (96) 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 9100900896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12585686400).

9100900896 is an abundant number, since it is smaller than the sum of its proper divisors (16070471904).

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

9100900896 is a wasteful number, since it uses less digits than its factorization.

9100900896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4822 (or 4814 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 42.

The square root of 9100900896 is about 95398.6420029132. The cubic root of 9100900896 is about 2087.8283721469.

The spelling of 9100900896 in words is "nine billion, one hundred million, nine hundred thousand, eight hundred ninety-six".

Divisors: 1 2 3 4 6 8 12 16 19 24 32 38 48 57 76 96 114 152 228 304 456 608 912 1531 1824 3062 3259 4593 6124 6518 9186 9777 12248 13036 18372 19554 24496 26072 29089 36744 39108 48992 52144 58178 61921 73488 78216 87267 104288 116356 123842 146976 156432 174534 185763 232712 247684 312864 349068 371526 465424 495368 698136 743052 930848 990736 1396272 1486104 1981472 2792544 2972208 4989529 5944416 9979058 14968587 19958116 29937174 39916232 59874348 79832464 94801051 119748696 159664928 189602102 239497392 284403153 379204204 478994784 568806306 758408408 1137612612 1516816816 2275225224 3033633632 4550450448 9100900896