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54400012045 = 5232593182431
BaseRepresentation
bin110010101010011111…
…100100111100001101
312012102020012221102221
4302222133210330031
51342402400341140
640554021015341
73634040321131
oct625237447415
9165366187387
1054400012045
1121086430245
12a662554551
13518c508352
1428c0c4d3c1
151635cd214a
hexcaa7e4f0d

54400012045 has 16 divisors (see below), whose sum is σ = 68144919552. Its totient is φ = 41611553280.

The previous prime is 54400012039. The next prime is 54400012057. The reversal of 54400012045 is 54021000445.

It is a happy number.

It is not a de Polignac number, because 54400012045 - 235 = 20040273677 is a prime.

It is a super-2 number, since 2×544000120452 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 206980 + ... + 389410.

It is an arithmetic number, because the mean of its divisors is an integer number (4259057472).

Almost surely, 254400012045 is an apocalyptic number.

It is an amenable number.

54400012045 is a deficient number, since it is larger than the sum of its proper divisors (13744907507).

54400012045 is a wasteful number, since it uses less digits than its factorization.

54400012045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185052.

The product of its (nonzero) digits is 3200, while the sum is 25.

The spelling of 54400012045 in words is "fifty-four billion, four hundred million, twelve thousand, forty-five".

Divisors: 1 5 23 115 2593 12965 59639 182431 298195 912155 4195913 20979565 473043583 2365217915 10880002409 54400012045