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100131112210 = 2525513925171
BaseRepresentation
bin101110101000001000…
…1111000010100010010
3100120110022100112101111
41131100101320110102
53120032031042320
6113555525123534
710143225260563
oct1352021702422
9316408315344
10100131112210
11395134476a8
12174a58595aa
139599a2752c
144bbc63016a
1529109d7a5a
hex1750478512

100131112210 has 16 divisors (see below), whose sum is σ = 180306700992. Its totient is φ = 40036734000.

The previous prime is 100131112199. The next prime is 100131112243. The reversal of 100131112210 is 12211131001.

It is a happy number.

It is a super-2 number, since 2×1001311122102 (a number of 23 digits) contains 22 as substring.

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, 1937076 + ... + 1988095.

It is an arithmetic number, because the mean of its divisors is an integer number (11269168812).

Almost surely, 2100131112210 is an apocalyptic number.

100131112210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100131112210 is a deficient number, since it is larger than the sum of its proper divisors (80175588782).

100131112210 is a wasteful number, since it uses less digits than its factorization.

100131112210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3927729.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 100131112210 its reverse (12211131001), we get a palindrome (112342243211).

The spelling of 100131112210 in words is "one hundred billion, one hundred thirty-one million, one hundred twelve thousand, two hundred ten".

Divisors: 1 2 5 10 2551 5102 12755 25510 3925171 7850342 19625855 39251710 10013111221 20026222442 50065556105 100131112210