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54954923157 = 3235317297741
BaseRepresentation
bin110011001011100100…
…011001010010010101
312020211220101100101100
4303023210121102111
51400021430020112
641125042420313
73653556065601
oct631344312225
9166756340340
1054954923157
1121340692172
12a798361699
13524a478014
14293481a501
1516698952dc
hexccb919495

54954923157 has 12 divisors (see below), whose sum is σ = 79604208684. Its totient is φ = 36532826880.

The previous prime is 54954923123. The next prime is 54954923171. The reversal of 54954923157 is 75132945945.

54954923157 is a `hidden beast` number, since 5 + 49 + 549 + 2 + 3 + 1 + 57 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 42821680356 + 12133242801 = 206934^2 + 110151^2 .

It is not a de Polignac number, because 54954923157 - 27 = 54954923029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54954923557) 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 11 ways as a sum of consecutive naturals, for example, 8645694 + ... + 8652047.

It is an arithmetic number, because the mean of its divisors is an integer number (6633684057).

Almost surely, 254954923157 is an apocalyptic number.

It is an amenable number.

54954923157 is a deficient number, since it is larger than the sum of its proper divisors (24649285527).

54954923157 is a wasteful number, since it uses less digits than its factorization.

54954923157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17298100 (or 17298097 counting only the distinct ones).

The product of its digits is 6804000, while the sum is 54.

The spelling of 54954923157 in words is "fifty-four billion, nine hundred fifty-four million, nine hundred twenty-three thousand, one hundred fifty-seven".

Divisors: 1 3 9 353 1059 3177 17297741 51893223 155679669 6106102573 18318307719 54954923157