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54542325513 = 31317239344209
BaseRepresentation
bin110010110010111110…
…011101011100001001
312012210011000012211010
4302302332131130021
51343200313404023
641020103154133
73640416055164
oct626276353411
9165704005733
1054542325513
11211497a2485
12a6a2145949
1351b2b456c0
1428d5ad6adb
151643544093
hexcb2f9d709

54542325513 has 32 divisors (see below), whose sum is σ = 83271283200. Its totient is φ = 31457857536.

The previous prime is 54542325499. The next prime is 54542325529. The reversal of 54542325513 is 31552324545.

It is a de Polignac number, because none of the positive numbers 2k-54542325513 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (54542325533) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13648 + ... + 330561.

It is an arithmetic number, because the mean of its divisors is an integer number (2602227600).

Almost surely, 254542325513 is an apocalyptic number.

It is an amenable number.

54542325513 is a deficient number, since it is larger than the sum of its proper divisors (28728957687).

54542325513 is a wasteful number, since it uses less digits than its factorization.

54542325513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344481.

The product of its digits is 360000, while the sum is 39.

The spelling of 54542325513 in words is "fifty-four billion, five hundred forty-two million, three hundred twenty-five thousand, five hundred thirteen".

Divisors: 1 3 13 17 39 51 221 239 663 717 3107 4063 9321 12189 52819 158457 344209 1032627 4474717 5851553 13424151 17554659 76070189 82265951 228210567 246797853 1069457363 1398521167 3208372089 4195563501 18180775171 54542325513