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105454556429 is a prime number
BaseRepresentation
bin110001000110110010…
…1001101010100001101
3101002012022100112000012
41202031211031110031
53211432331301204
6120240053043005
710422155640245
oct1421545152415
9332168315005
10105454556429
11407a5391082
1218530626465
139c378a1c21
145165648b25
152b2302e76e
hex188d94d50d

105454556429 has 2 divisors, whose sum is σ = 105454556430. Its totient is φ = 105454556428.

The previous prime is 105454556411. The next prime is 105454556477. The reversal of 105454556429 is 924655454501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99382562500 + 6071993929 = 315250^2 + 77923^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-105454556429 is a prime.

It is a super-2 number, since 2×1054545564292 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105454556329) 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 as a sum of consecutive naturals, namely, 52727278214 + 52727278215.

It is an arithmetic number, because the mean of its divisors is an integer number (52727278215).

Almost surely, 2105454556429 is an apocalyptic number.

It is an amenable number.

105454556429 is a deficient number, since it is larger than the sum of its proper divisors (1).

105454556429 is an equidigital number, since it uses as much as digits as its factorization.

105454556429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320000, while the sum is 50.

The spelling of 105454556429 in words is "one hundred five billion, four hundred fifty-four million, five hundred fifty-six thousand, four hundred twenty-nine".