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55262120659200 = 28355273132613
BaseRepresentation
bin11001001000010101101110…
…00100100100100100000000
321020200000012012112112100000
430210022313010210210000
524220403310342043300
6313311022345200000
714432361603135000
oct1444126704444400
9236600165475300
1055262120659200
1116676596482514
126246204490000
1324ab270a05900
14d909b542c000
1565c764301c00
hex3242b7124900

55262120659200 has 3888 divisors, whose sum is σ = 259157289955200. Its totient is φ = 11640679464960.

The previous prime is 55262120659139. The next prime is 55262120659243. The reversal of 55262120659200 is 295602126255.

55262120659200 is a `hidden beast` number, since 5 + 5 + 262 + 120 + 65 + 9 + 200 = 666.

It is a tau number, because it is divible by the number of its divisors (3888).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 431 ways as a sum of consecutive naturals, for example, 90150278094 + ... + 90150278706.

Almost surely, 255262120659200 is an apocalyptic number.

55262120659200 is a gapful number since it is divisible by the number (50) 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 55262120659200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129578644977600).

55262120659200 is an abundant number, since it is smaller than the sum of its proper divisors (203895169296000).

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

55262120659200 is an equidigital number, since it uses as much as digits as its factorization.

55262120659200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701 (or 643 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 45.

The spelling of 55262120659200 in words is "fifty-five trillion, two hundred sixty-two billion, one hundred twenty million, six hundred fifty-nine thousand, two hundred".