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53117500392 = 233211331202621
BaseRepresentation
bin110001011110000011…
…001011101111101000
312002002211221121012100
4301132003023233220
51332241040003032
640222444213400
73560205206115
oct613603135750
9162084847170
1053117500392
1120588498260
12a364b3a260
1350168b4508
1427dc7a190c
1515ad3e897c
hexc5e0cbbe8

53117500392 has 96 divisors (see below), whose sum is σ = 157412979360. Its totient is φ = 16047504000.

The previous prime is 53117500391. The next prime is 53117500421. The reversal of 53117500392 is 29300571135.

53117500392 is a `hidden beast` number, since 5 + 3 + 117 + 500 + 39 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (53117500391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 160842 + ... + 363462.

It is an arithmetic number, because the mean of its divisors is an integer number (1639718535).

Almost surely, 253117500392 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53117500392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78706489680).

53117500392 is an abundant number, since it is smaller than the sum of its proper divisors (104295478968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53117500392 is a wasteful number, since it uses less digits than its factorization.

53117500392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202975 (or 202968 counting only the distinct ones).

The product of its (nonzero) digits is 28350, while the sum is 36.

The spelling of 53117500392 in words is "fifty-three billion, one hundred seventeen million, five hundred thousand, three hundred ninety-two".

Divisors: 1 2 3 4 6 8 9 11 12 18 22 24 33 36 44 66 72 88 99 132 198 264 331 396 662 792 993 1324 1986 2648 2979 3641 3972 5958 7282 7944 10923 11916 14564 21846 23832 29128 32769 43692 65538 87384 131076 202621 262152 405242 607863 810484 1215726 1620968 1823589 2228831 2431452 3647178 4457662 4862904 6686493 7294356 8915324 13372986 14588712 17830648 20059479 26745972 40118958 53491944 67067551 80237916 134135102 160475832 201202653 268270204 402405306 536540408 603607959 737743061 804810612 1207215918 1475486122 1609621224 2213229183 2414431836 2950972244 4426458366 4828863672 5901944488 6639687549 8852916732 13279375098 17705833464 26558750196 53117500392