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1368762897 = 31543295693
BaseRepresentation
bin101000110010101…
…1010101000010001
310112101120100201010
41101211122220101
510300400403042
6343453201133
745630202245
oct12145325021
93471510633
101368762897
116426a3907
123224901a9
1318a762698
14cdb00425
158027459c
hex5195aa11

1368762897 has 8 divisors (see below), whose sum is σ = 1826206144. Its totient is φ = 911914128.

The previous prime is 1368762893. The next prime is 1368762911. The reversal of 1368762897 is 7982678631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1368762897 - 22 = 1368762893 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1368762893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143218 + ... + 152475.

It is an arithmetic number, because the mean of its divisors is an integer number (228275768).

Almost surely, 21368762897 is an apocalyptic number.

It is an amenable number.

1368762897 is a deficient number, since it is larger than the sum of its proper divisors (457443247).

1368762897 is a wasteful number, since it uses less digits than its factorization.

1368762897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297239.

The product of its digits is 6096384, while the sum is 57.

The square root of 1368762897 is about 36996.7957666607. The cubic root of 1368762897 is about 1110.3061398908.

The spelling of 1368762897 in words is "one billion, three hundred sixty-eight million, seven hundred sixty-two thousand, eight hundred ninety-seven".

Divisors: 1 3 1543 4629 295693 887079 456254299 1368762897