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102101010010 = 2555997182333
BaseRepresentation
bin101111100010110110…
…0011100011001011010
3100202112121001201011021
41133011230130121122
53133100324310020
6114523214553054
710243105160056
oct1370554343132
9322477051137
10102101010010
113a3343a400a
121795550878a
139821b9222c
144d280d0c66
1529c89011aa
hex17c5b1c65a

102101010010 has 16 divisors (see below), whose sum is σ = 183786107976. Its totient is φ = 40839450688.

The previous prime is 102101009953. The next prime is 102101010127. The reversal of 102101010010 is 10010101201.

It can be written as a sum of positive squares in 4 ways, for example, as 100541628889 + 1559381121 = 317083^2 + 39489^2 .

It is a junction number, because it is equal to n+sod(n) for n = 102101009975 and 102101010002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 468804 + ... + 651136.

Almost surely, 2102101010010 is an apocalyptic number.

102101010010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102101010010 is a deficient number, since it is larger than the sum of its proper divisors (81685097966).

102101010010 is a wasteful number, since it uses less digits than its factorization.

102101010010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238337.

The product of its (nonzero) digits is 2, while the sum is 7.

Adding to 102101010010 its reverse (10010101201), we get a palindrome (112111111211).

The spelling of 102101010010 in words is "one hundred two billion, one hundred one million, ten thousand, ten".

Divisors: 1 2 5 10 55997 111994 182333 279985 364666 559970 911665 1823330 10210101001 20420202002 51050505005 102101010010