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1311320200232 = 23723416432147
BaseRepresentation
bin10011000101010000110…
…001100101010000101000
311122100202011022012121102
4103011100301211100220
5132441040432401412
62442225010500532
7163511510535530
oct23052061452050
94570664265542
101311320200232
11466145081179
12192186594748
1396870473183
144767abaa4c0
152419cb638c2
hex13150c65428

1311320200232 has 16 divisors (see below), whose sum is σ = 2809971857760. Its totient is φ = 561994371504.

The previous prime is 1311320200163. The next prime is 1311320200297. The reversal of 1311320200232 is 2320020231131.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11708216018 + ... + 11708216129.

It is an arithmetic number, because the mean of its divisors is an integer number (175623241110).

Almost surely, 21311320200232 is an apocalyptic number.

It is an amenable number.

1311320200232 is an abundant number, since it is smaller than the sum of its proper divisors (1498651657528).

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

1311320200232 is a wasteful number, since it uses less digits than its factorization.

1311320200232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23416432160 (or 23416432156 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1311320200232 its reverse (2320020231131), we get a palindrome (3631340431363).

The spelling of 1311320200232 in words is "one trillion, three hundred eleven billion, three hundred twenty million, two hundred thousand, two hundred thirty-two".

Divisors: 1 2 4 7 8 14 28 56 23416432147 46832864294 93665728588 163915025029 187331457176 327830050058 655660100116 1311320200232