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54645133154645 = 51131144722149227
BaseRepresentation
bin11000110110011000011111…
…10000000001100101010101
321011111000122021200211110102
430123030033300001211111
524130301213041422040
6312115343321503445
714336660224650425
oct1433141760014525
9234430567624412
1054645133154645
1116458964085360
126166714641b85
13246502483b677
14d6cba4ddc485
1564b6a2e29515
hex31b30fc01955

54645133154645 has 32 divisors (see below), whose sum is σ = 73894077259776. Its totient is φ = 38433336955200.

The previous prime is 54645133154609. The next prime is 54645133154671.

54645133154645 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 54645133154645 - 218 = 54645132892501 is a prime.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8607479 + ... + 13541748.

It is an arithmetic number, because the mean of its divisors is an integer number (2309189914368).

Almost surely, 254645133154645 is an apocalyptic number.

54645133154645 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

54645133154645 is a deficient number, since it is larger than the sum of its proper divisors (19248944105131).

54645133154645 is a wasteful number, since it uses less digits than its factorization.

54645133154645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22150721.

The product of its digits is 51840000, while the sum is 56.

The spelling of 54645133154645 in words is "fifty-four trillion, six hundred forty-five billion, one hundred thirty-three million, one hundred fifty-four thousand, six hundred forty-five".

Divisors: 1 5 11 31 55 155 341 1447 1705 7235 15917 44857 79585 224285 493427 2467135 22149227 110746135 243641497 686626037 1218207485 3433130185 7552886407 32049931469 37764432035 160249657345 352549246159 993547875539 1762746230795 4967739377695 10929026630929 54645133154645