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13012053433500 = 2235311823958213
BaseRepresentation
bin1011110101011001101011…
…0100101001110010011100
31201001221101101011101121110
42331112122310221302130
53201142141134333000
643401353235302020
72512042546163052
oct275263264516234
951057341141543
1013012053433500
114167420a37790
1215619a644a910
13735053c0b0a4
1432db02b921d2
1517871795e850
hexbd59ad29c9c

13012053433500 has 192 divisors, whose sum is σ = 41386013899776. Its totient is φ = 3150601056000.

The previous prime is 13012053433487. The next prime is 13012053433553. The reversal of 13012053433500 is 533435021031.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13100394 + ... + 14058606.

It is an arithmetic number, because the mean of its divisors is an integer number (215552155728).

Almost surely, 213012053433500 is an apocalyptic number.

13012053433500 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 13012053433500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20693006949888).

13012053433500 is an abundant number, since it is smaller than the sum of its proper divisors (28373960466276).

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

13012053433500 is a wasteful number, since it uses less digits than its factorization.

13012053433500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 959069 (or 959057 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 30.

Adding to 13012053433500 its reverse (533435021031), we get a palindrome (13545488454531).

The spelling of 13012053433500 in words is "thirteen trillion, twelve billion, fifty-three million, four hundred thirty-three thousand, five hundred".