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53349732753408 = 21334731321973
BaseRepresentation
bin11000010000101011100111…
…10111101010000000000000
320222220011222121022012120000
430020111303313222000000
523443040223041102113
6305244310123320000
714144251053141000
oct1410256367520000
9228804877265500
1053349732753408
1115aa9549350863
125b97651680000
13239cb20650a00
14d261d8688000
15627b37c18373
hex308573dea000

53349732753408 has 3360 divisors, whose sum is σ = 214759111248000. Its totient is φ = 13147120336896.

The previous prime is 53349732753397. The next prime is 53349732753419. The reversal of 53349732753408 is 80435723794335.

It is a happy number.

53349732753408 is a `hidden beast` number, since 5 + 3 + 3 + 4 + 9 + 73 + 27 + 534 + 0 + 8 = 666.

53349732753408 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (53349732753397) and next prime (53349732753419).

It is a super-2 number, since 2×533497327534082 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 730818256860 + ... + 730818256932.

Almost surely, 253349732753408 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 53349732753408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107379555624000).

53349732753408 is an abundant number, since it is smaller than the sum of its proper divisors (161409378494592).

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

53349732753408 is an equidigital number, since it uses as much as digits as its factorization.

53349732753408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177 (or 117 counting only the distinct ones).

The product of its (nonzero) digits is 228614400, while the sum is 63.

The spelling of 53349732753408 in words is "fifty-three trillion, three hundred forty-nine billion, seven hundred thirty-two million, seven hundred fifty-three thousand, four hundred eight".