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99100097481 = 3731137236627
BaseRepresentation
bin101110001001011010…
…0110111101111001001
3100110210110022120001210
41130102310313233021
53110424111104411
6113305335003333
710105535634000
oct1342264675711
9313713276053
1099100097481
1139034470010
1217258509549
13946424b548
144b2172bc37
1528a022bca6
hex1712d37bc9

99100097481 has 64 divisors (see below), whose sum is σ = 172643788800. Its totient is φ = 50088991680.

The previous prime is 99100097429. The next prime is 99100097497. The reversal of 99100097481 is 18479000199.

It is not a de Polignac number, because 99100097481 - 210 = 99100096457 is a prime.

It is a super-2 number, since 2×991000974812 (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 99100097481.

It is not an unprimeable number, because it can be changed into a prime (99100093481) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 300490 + ... + 537116.

It is an arithmetic number, because the mean of its divisors is an integer number (2697559200).

Almost surely, 299100097481 is an apocalyptic number.

It is an amenable number.

99100097481 is a deficient number, since it is larger than the sum of its proper divisors (73543691319).

99100097481 is a wasteful number, since it uses less digits than its factorization.

99100097481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236699 (or 236685 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 48.

The spelling of 99100097481 in words is "ninety-nine billion, one hundred million, ninety-seven thousand, four hundred eighty-one".

Divisors: 1 3 7 11 21 33 37 49 77 111 147 231 259 343 407 539 777 1029 1221 1617 1813 2849 3773 5439 8547 11319 12691 19943 38073 59829 139601 236627 418803 709881 1656389 2602897 4969167 7808691 8755199 11594723 18220279 26265597 34784169 54660837 61286393 81163061 96307189 127541953 183859179 243489183 288921567 382625859 429004751 674150323 892793671 1287014253 2022450969 2678381013 3003033257 4719052261 9009099771 14157156783 33033365827 99100097481