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57643089221172 = 2237131034801106747
BaseRepresentation
bin11010001101101000100111…
…10110110101011000110100
321120002121212222221112021210
431012310103312311120310
530023411021320034142
6322332511500441420
715066401326033020
oct1506642366653064
9246077788845253
1057643089221172
111740432a127614
12656b749b49270
132621948a81180
141033d24681380
1569e667ecd49c
hex346d13db5634

57643089221172 has 192 divisors, whose sum is σ = 167182685057024. Its totient is φ = 15051698380800.

The previous prime is 57643089221153. The next prime is 57643089221189. The reversal of 57643089221172 is 27112298034675.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 539943903 + ... + 540050649.

It is a 1-persistent number, because it is pandigital, but 2⋅57643089221172 = 115286178442344 is not.

Almost surely, 257643089221172 is an apocalyptic number.

57643089221172 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57643089221172, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83591342528512).

57643089221172 is an abundant number, since it is smaller than the sum of its proper divisors (109539595835852).

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

57643089221172 is a wasteful number, since it uses less digits than its factorization.

57643089221172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111678 (or 111676 counting only the distinct ones).

The product of its (nonzero) digits is 10160640, while the sum is 57.

The spelling of 57643089221172 in words is "fifty-seven trillion, six hundred forty-three billion, eighty-nine million, two hundred twenty-one thousand, one hundred seventy-two".