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102031312010 = 25101173583937
BaseRepresentation
bin101111100000110001…
…0100100010010001010
3100202100201220200110212
41133001202210102022
53132430003441020
6114512245041122
710241300561645
oct1370142442212
9322321820425
10102031312010
113a2a9019961
12179360b61a2
1398105cb004
144d1cb4aa5c
1529c2734cc5
hex17c18a448a

102031312010 has 32 divisors (see below), whose sum is σ = 186547169232. Its totient is φ = 40174796800.

The previous prime is 102031311959. The next prime is 102031312021. The reversal of 102031312010 is 10213130201.

It can be written as a sum of positive squares in 8 ways, for example, as 78042568321 + 23988743689 = 279361^2 + 154883^2 .

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, 117239 + ... + 466698.

Almost surely, 2102031312010 is an apocalyptic number.

102031312010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102031312010 is a deficient number, since it is larger than the sum of its proper divisors (84515857222).

102031312010 is a wasteful number, since it uses less digits than its factorization.

102031312010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584218.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 102031312010 its reverse (10213130201), we get a palindrome (112244442211).

The spelling of 102031312010 in words is "one hundred two billion, thirty-one million, three hundred twelve thousand, ten".

Divisors: 1 2 5 10 101 173 202 346 505 865 1010 1730 17473 34946 87365 174730 583937 1167874 2919685 5839370 58977637 101021101 117955274 202042202 294888185 505105505 589776370 1010211010 10203131201 20406262402 51015656005 102031312010