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54451377315445 = 5113559278175061
BaseRepresentation
bin11000110000101111100110…
…00000001001111001110101
321010210111112002220101021211
430120113303000021321311
524114112410043043240
6311450341205441421
714316660614334025
oct1430276300117165
9233714462811254
1054451377315445
1116393776a4a630
126135060110271
13244c987064bc6
14d63664325a85
15646612c6bbea
hex3185f3009e75

54451377315445 has 16 divisors (see below), whose sum is σ = 71301831891840. Its totient is φ = 39589874539200.

The previous prime is 54451377315403. The next prime is 54451377315463.

54451377315445 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 54451377315445 - 219 = 54451376791157 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54451377315445.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138891786 + ... + 139283275.

It is an arithmetic number, because the mean of its divisors is an integer number (4456364493240).

Almost surely, 254451377315445 is an apocalyptic number.

54451377315445 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

54451377315445 is a deficient number, since it is larger than the sum of its proper divisors (16850454576395).

54451377315445 is a wasteful number, since it uses less digits than its factorization.

54451377315445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278178636.

The product of its digits is 70560000, while the sum is 58.

The spelling of 54451377315445 in words is "fifty-four trillion, four hundred fifty-one billion, three hundred seventy-seven million, three hundred fifteen thousand, four hundred forty-five".

Divisors: 1 5 11 55 3559 17795 39149 195745 278175061 1390875305 3059925671 15299628355 990025042099 4950125210495 10890275463089 54451377315445