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102100010012 = 227111325499503
BaseRepresentation
bin101111100010110100…
…0101000010000011100
3100202112112011220102022
41133011220220100130
53133100100310022
6114523141315312
710243063523450
oct1370550502034
9322475156368
10102100010012
113a333880770
1217955105b38
139821902010
144d27d10660
1529c87a4c42
hex17c5a2841c

102100010012 has 48 divisors (see below), whose sum is σ = 239899333632. Its totient is φ = 36719282880.

The previous prime is 102100009981. The next prime is 102100010021. The reversal of 102100010012 is 210010001201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12745748 + ... + 12753755.

It is an arithmetic number, because the mean of its divisors is an integer number (4997902784).

Almost surely, 2102100010012 is an apocalyptic number.

It is an amenable number.

102100010012 is an abundant number, since it is smaller than the sum of its proper divisors (137799323620).

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

102100010012 is a wasteful number, since it uses less digits than its factorization.

102100010012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25499538 (or 25499536 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 102100010012 its reverse (210010001201), we get a palindrome (312110011213).

The spelling of 102100010012 in words is "one hundred two billion, one hundred million, ten thousand, twelve".

Divisors: 1 2 4 7 11 13 14 22 26 28 44 52 77 91 143 154 182 286 308 364 572 1001 2002 4004 25499503 50999006 101998012 178496521 280494533 331493539 356993042 560989066 662987078 713986084 1121978132 1325974156 1963461731 2320454773 3646428929 3926923462 4640909546 7292857858 7853846924 9281819092 14585715716 25525002503 51050005006 102100010012