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1357856383 = 13104450491
BaseRepresentation
bin101000011101111…
…0011111001111111
310111122001020210011
41100323303321333
510240102401013
6342423324051
745435405652
oct12073637177
93448036704
101357856383
11637524664
1231a8b0627
13188414320
14cc4a1899
157e31cc3d
hex50ef3e7f

1357856383 has 4 divisors (see below), whose sum is σ = 1462306888. Its totient is φ = 1253405880.

The previous prime is 1357856369. The next prime is 1357856387. The reversal of 1357856383 is 3836587531.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1357856383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1357856387) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52225233 + ... + 52225258.

It is an arithmetic number, because the mean of its divisors is an integer number (365576722).

Almost surely, 21357856383 is an apocalyptic number.

1357856383 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1357856383 is a deficient number, since it is larger than the sum of its proper divisors (104450505).

1357856383 is a wasteful number, since it uses less digits than its factorization.

1357856383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104450504.

The product of its digits is 1814400, while the sum is 49.

The square root of 1357856383 is about 36849.1028791747. The cubic root of 1357856383 is about 1107.3492420316.

The spelling of 1357856383 in words is "one billion, three hundred fifty-seven million, eight hundred fifty-six thousand, three hundred eighty-three".

Divisors: 1 13 104450491 1357856383