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51058813467424 = 2572293753572597
BaseRepresentation
bin10111001110000000011100…
…11100000111101100100000
320200210011201111111101200011
423213000032130013230200
523143021422221424144
6300332032312334304
713516606665410200
oct1347001634075440
9220704644441604
1051058813467424
11152a5a15113604
1258876593a4394
132264a9668b3c9
14c8738cabc400
155d825489da34
hex2e700e707b20

51058813467424 has 288 divisors, whose sum is σ = 126579636172080. Its totient is φ = 20168864980992.

The previous prime is 51058813467397. The next prime is 51058813467457. The reversal of 51058813467424 is 42476431885015.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 39507107979024 + 11551705488400 = 6285468^2 + 3398780^2 .

It is a Harshad number since it is a multiple of its sum of digits (58).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 88884294 + ... + 89456890.

Almost surely, 251058813467424 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 51058813467424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63289818086040).

51058813467424 is an abundant number, since it is smaller than the sum of its proper divisors (75520822704656).

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

51058813467424 is a wasteful number, since it uses less digits than its factorization.

51058813467424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572740 (or 572725 counting only the distinct ones).

The product of its (nonzero) digits is 25804800, while the sum is 58.

The spelling of 51058813467424 in words is "fifty-one trillion, fifty-eight billion, eight hundred thirteen million, four hundred sixty-seven thousand, four hundred twenty-four".