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13031112000 = 263531719412
BaseRepresentation
bin11000010001011011…
…01111110101000000
31020122011100002002210
430020231233311000
5203141431041000
65553021542120
7640631424114
oct141055576500
936564302083
1013031112000
1155877a5355
122638114940
1312c8975b7a
148b8947744
1551404a350
hex308b6fd40

13031112000 has 672 divisors, whose sum is σ = 49155949440. Its totient is φ = 3022848000.

The previous prime is 13031111921. The next prime is 13031112049. The reversal of 13031112000 is 21113031.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 317831980 + ... + 317832020.

Almost surely, 213031112000 is an apocalyptic number.

13031112000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13031112000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24577974720).

13031112000 is an abundant number, since it is smaller than the sum of its proper divisors (36124837440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13031112000 is a wasteful number, since it uses less digits than its factorization.

13031112000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148 (or 87 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 13031112000 its reverse (21113031), we get a palindrome (13052225031).

It can be divided in two parts, 130311 and 12000, that added together give a triangular number (142311 = T533).

The spelling of 13031112000 in words is "thirteen billion, thirty-one million, one hundred twelve thousand".