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5813691372 = 2232161491427
BaseRepresentation
bin1010110101000010…
…11110001111101100
3120000011111010021200
411122201132033230
543401301110442
62400515325500
7264032363346
oct53241361754
916004433250
105813691372
11251374a415
121162bb0890
137185c6588
143d2192296
152405d534c
hex15a85e3ec

5813691372 has 18 divisors (see below), whose sum is σ = 14695719948. Its totient is φ = 1937897112.

The previous prime is 5813691353. The next prime is 5813691379. The reversal of 5813691372 is 2731963185.

5813691372 is a `hidden beast` number, since 581 + 3 + 69 + 1 + 3 + 7 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (5813691379) 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, 80745678 + ... + 80745749.

It is an arithmetic number, because the mean of its divisors is an integer number (816428886).

Almost surely, 25813691372 is an apocalyptic number.

It is an amenable number.

5813691372 is an abundant number, since it is smaller than the sum of its proper divisors (8882028576).

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

5813691372 is a wasteful number, since it uses less digits than its factorization.

5813691372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161491437 (or 161491432 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 5813691372 is about 76247.5663349329. The cubic root of 5813691372 is about 1798.1144217608.

The spelling of 5813691372 in words is "five billion, eight hundred thirteen million, six hundred ninety-one thousand, three hundred seventy-two".

Divisors: 1 2 3 4 6 9 12 18 36 161491427 322982854 484474281 645965708 968948562 1453422843 1937897124 2906845686 5813691372