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1368141663 = 37127512989
BaseRepresentation
bin101000110001100…
…0010111101011111
310112100101210112110
41101203002331133
510300221013123
6343432005103
745622004130
oct12143027537
93470353473
101368141663
1164230a099
12322230793
1318a5a59a5
14cd9bbc87
15801a0493
hex518c2f5f

1368141663 has 16 divisors (see below), whose sum is σ = 2101207040. Its totient is φ = 775637856.

The previous prime is 1368141617. The next prime is 1368141667. The reversal of 1368141663 is 3661418631.

It is not a de Polignac number, because 1368141663 - 218 = 1367879519 is a prime.

It is a super-2 number, since 2×13681416632 = 3743623220072811138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1368141667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 253828 + ... + 259161.

It is an arithmetic number, because the mean of its divisors is an integer number (131325440).

Almost surely, 21368141663 is an apocalyptic number.

1368141663 is a deficient number, since it is larger than the sum of its proper divisors (733065377).

1368141663 is a wasteful number, since it uses less digits than its factorization.

1368141663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513126.

The product of its digits is 62208, while the sum is 39.

The square root of 1368141663 is about 36988.3990326697. The cubic root of 1368141663 is about 1110.1381379904.

The spelling of 1368141663 in words is "one billion, three hundred sixty-eight million, one hundred forty-one thousand, six hundred sixty-three".

Divisors: 1 3 7 21 127 381 889 2667 512989 1538967 3590923 10772769 65149603 195448809 456047221 1368141663