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13132131021200 = 245232830327553
BaseRepresentation
bin1011111100011001000000…
…0000010011000110010000
31201111102022210022212102102
42333012100000103012100
53210124101020134300
643532452342535532
72523523306633502
oct277062000230620
951442283285372
1013132131021200
11420333a675674
1215811181375a8
1374347c1bc829
14335854533d72
1517b8e463e0d5
hexbf190013190

13132131021200 has 30 divisors (see below), whose sum is σ = 31549944779394. Its totient is φ = 5252852408320.

The previous prime is 13132131021173. The next prime is 13132131021209. The reversal of 13132131021200 is 212013123131.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 40238755216 + 13091892265984 = 200596^2 + 3618272^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (13132131021209) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16415163377 + ... + 16415164176.

Almost surely, 213132131021200 is an apocalyptic number.

13132131021200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13132131021200 is an abundant number, since it is smaller than the sum of its proper divisors (18417813758194).

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

13132131021200 is a wasteful number, since it uses less digits than its factorization.

13132131021200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32830327571 (or 32830327560 counting only the distinct ones).

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

Adding to 13132131021200 its reverse (212013123131), we get a palindrome (13344144144331).

The spelling of 13132131021200 in words is "thirteen trillion, one hundred thirty-two billion, one hundred thirty-one million, twenty-one thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 32830327553 65660655106 131321310212 164151637765 262642620424 328303275530 525285240848 656606551060 820758188825 1313213102120 1641516377650 2626426204240 3283032755300 6566065510600 13132131021200