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54645231420225 = 3252888727328423
BaseRepresentation
bin11000110110011000101011…
…00110111000001101000001
321011111000220010121020111100
430123030111212320031001
524130301413220421400
6312115401152005013
714336662530130125
oct1433142546701501
9234430803536440
1054645231420225
1116458a045a1786
126166741530769
13246503bcc5894
14d6cbb409b585
1564b6ab88a100
hex31b3159b8341

54645231420225 has 36 divisors (see below), whose sum is σ = 97886698102336. Its totient is φ = 29140842947040.

The previous prime is 54645231420187. The next prime is 54645231420239. The reversal of 54645231420225 is 52202413254645.

54645231420225 is a `hidden beast` number, since 5 + 4 + 64 + 52 + 314 + 2 + 0 + 225 = 666.

It is not a de Polignac number, because 54645231420225 - 28 = 54645231419969 is a prime.

It is a super-2 number, since 2×546452314202252 (a number of 28 digits) contains 22 as substring.

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

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 11664637 + ... + 15663786.

Almost surely, 254645231420225 is an apocalyptic number.

It is an amenable number.

54645231420225 is a deficient number, since it is larger than the sum of its proper divisors (43241466682111).

54645231420225 is a wasteful number, since it uses less digits than its factorization.

54645231420225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27337326 (or 27337318 counting only the distinct ones).

The product of its (nonzero) digits is 2304000, while the sum is 45.

The spelling of 54645231420225 in words is "fifty-four trillion, six hundred forty-five billion, two hundred thirty-one million, four hundred twenty thousand, two hundred twenty-five".

Divisors: 1 3 5 9 15 25 45 75 225 8887 26661 44435 79983 133305 222175 399915 666525 1999575 27328423 81985269 136642115 245955807 409926345 683210575 1229779035 2049631725 6148895175 242867695201 728603085603 1214338476005 2185809256809 3643015428015 6071692380025 10929046284045 18215077140075 54645231420225