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102401818317 = 32157223324983
BaseRepresentation
bin101111101011110011…
…1111011111011001101
3100210022120002100120200
41133113213323323031
53134204331141232
6115013122204113
710253420044161
oct1372747737315
9323276070520
10102401818317
113a47917a817
1217a1a1b3639
13986c2b3c06
144d56034ca1
1529e501e77c
hex17d79fbecd

102401818317 has 24 divisors (see below), whose sum is σ = 149523838464. Its totient is φ = 67528659744.

The previous prime is 102401818297. The next prime is 102401818319. The reversal of 102401818317 is 713818104201.

It is not a de Polignac number, because 102401818317 - 28 = 102401818061 is a prime.

It is a super-2 number, since 2×1024018183172 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102401818319) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 152608 + ... + 477590.

It is an arithmetic number, because the mean of its divisors is an integer number (6230159936).

Almost surely, 2102401818317 is an apocalyptic number.

It is an amenable number.

102401818317 is a deficient number, since it is larger than the sum of its proper divisors (47122020147).

102401818317 is a wasteful number, since it uses less digits than its factorization.

102401818317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325369 (or 325366 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 36.

The spelling of 102401818317 in words is "one hundred two billion, four hundred one million, eight hundred eighteen thousand, three hundred seventeen".

Divisors: 1 3 9 157 223 471 669 1413 2007 35011 105033 315099 324983 974949 2924847 51022331 72471209 153066993 217413627 459200979 652240881 11377979813 34133939439 102401818317