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10131032213012 = 2217350341290821
BaseRepresentation
bin1001001101101101000010…
…0100111000011000010100
31022212111222001110100111202
42103123100210320120110
52311441323221304022
633314044300052032
72063641264646114
oct223332044703024
938774861410452
1010131032213012
113256601629057
121177566234018
13586476b38589
142704b772d044
151287e86ec592
hex936d0938614

10131032213012 has 24 divisors (see below), whose sum is σ = 17832203449032. Its totient is φ = 5036118307200.

The previous prime is 10131032212999. The next prime is 10131032213129. The reversal of 10131032213012 is 21031223013101.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3713190257296 + 6417841955716 = 1926964^2 + 2533346^2 .

It is a super-2 number, since 2×101310322130122 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

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, 34690562 + ... + 34981382.

It is an arithmetic number, because the mean of its divisors is an integer number (743008477043).

Almost surely, 210131032213012 is an apocalyptic number.

It is an amenable number.

10131032213012 is a deficient number, since it is larger than the sum of its proper divisors (7701171236020).

10131032213012 is a wasteful number, since it uses less digits than its factorization.

10131032213012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341339 (or 341337 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 10131032213012 its reverse (21031223013101), we get a palindrome (31162255226113).

The spelling of 10131032213012 in words is "ten trillion, one hundred thirty-one billion, thirty-two million, two hundred thirteen thousand, twelve".

Divisors: 1 2 4 173 346 692 50341 100682 201364 290821 581642 1163284 8708993 17417986 34835972 50312033 100624066 201248132 14640219961 29280439922 58560879844 2532758053253 5065516106506 10131032213012