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100101012108 = 2238341751009
BaseRepresentation
bin101110100111001111…
…1000011101010001100
3100120101012201021210220
41131032133003222030
53120001324341413
6113552532031340
710142411364306
oct1351637035214
9316335637726
10100101012108
11394a8458a89
1217497762550
139593718b16
144bb8636976
15290d03e223
hex174e7c3a8c

100101012108 has 12 divisors (see below), whose sum is σ = 233569028280. Its totient is φ = 33367004032.

The previous prime is 100101012079. The next prime is 100101012133. The reversal of 100101012108 is 801210101001.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4170875493 + ... + 4170875516.

It is an arithmetic number, because the mean of its divisors is an integer number (19464085690).

Almost surely, 2100101012108 is an apocalyptic number.

It is an amenable number.

100101012108 is an abundant number, since it is smaller than the sum of its proper divisors (133468016172).

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

100101012108 is a wasteful number, since it uses less digits than its factorization.

100101012108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8341751016 (or 8341751014 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 100101012108 its reverse (801210101001), we get a palindrome (901311113109).

The spelling of 100101012108 in words is "one hundred billion, one hundred one million, twelve thousand, one hundred eight".

Divisors: 1 2 3 4 6 12 8341751009 16683502018 25025253027 33367004036 50050506054 100101012108