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102112012010 = 2561167396741
BaseRepresentation
bin101111100011001011…
…0011010011011101010
3100202120100202200001202
41133012112122123222
53133111133341020
6114524250444202
710243300531631
oct1370626323352
9322510680052
10102112012010
113a33a628a78
1217959133662
139824244ba8
144d29756518
1529c9875e75
hex17c659a6ea

102112012010 has 16 divisors (see below), whose sum is σ = 186814764072. Its totient is φ = 40175217600.

The previous prime is 102112012003. The next prime is 102112012021. The reversal of 102112012010 is 10210211201.

It can be written as a sum of positive squares in 4 ways, for example, as 39263026201 + 62848985809 = 198149^2 + 250697^2 .

It is a junction number, because it is equal to n+sod(n) for n = 102112011982 and 102112012000.

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, 83697761 + ... + 83698980.

Almost surely, 2102112012010 is an apocalyptic number.

102112012010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102112012010 is a deficient number, since it is larger than the sum of its proper divisors (84702752062).

102112012010 is a wasteful number, since it uses less digits than its factorization.

102112012010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167396809.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 102112012010 its reverse (10210211201), we get a palindrome (112322223211).

The spelling of 102112012010 in words is "one hundred two billion, one hundred twelve million, twelve thousand, ten".

Divisors: 1 2 5 10 61 122 305 610 167396741 334793482 836983705 1673967410 10211201201 20422402402 51056006005 102112012010