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1618733142979 is a prime number
BaseRepresentation
bin10111100011100100000…
…000111001001111000011
312201202020021222202002121
4113203210000321033003
5203010131141033404
63235345153025111
7224643500456161
oct27434400711703
95652207882077
101618733142979
11574556728037
1222187a555197
13b9851ccb424
14584c063c231
152c191009e54
hex178e40393c3

1618733142979 has 2 divisors, whose sum is σ = 1618733142980. Its totient is φ = 1618733142978.

The previous prime is 1618733142883. The next prime is 1618733143003. The reversal of 1618733142979 is 9792413378161.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1618733142979 - 219 = 1618732618691 is a prime.

It is not a weakly prime, because it can be changed into another prime (1618733142079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 809366571489 + 809366571490.

It is an arithmetic number, because the mean of its divisors is an integer number (809366571490).

Almost surely, 21618733142979 is an apocalyptic number.

1618733142979 is a deficient number, since it is larger than the sum of its proper divisors (1).

1618733142979 is an equidigital number, since it uses as much as digits as its factorization.

1618733142979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13716864, while the sum is 61.

The spelling of 1618733142979 in words is "one trillion, six hundred eighteen billion, seven hundred thirty-three million, one hundred forty-two thousand, nine hundred seventy-nine".