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54104021012 = 2215233887941
BaseRepresentation
bin110010011000110110…
…011101100000010100
312011122121021001002002
4302120312131200110
51341301112133022
640504404534432
73623514406406
oct623066354024
9164577231062
1054104021012
1120a44344858
12a59b3b1418
1351430b2222
142893800b76
151619d16092
hexc98d9d814

54104021012 has 12 divisors (see below), whose sum is σ = 94688358996. Its totient is φ = 27050204160.

The previous prime is 54104020987. The next prime is 54104021017. The reversal of 54104021012 is 21012040145.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 13885322896 + 40218698116 = 117836^2 + 200546^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54104021017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 383039 + ... + 504902.

It is an arithmetic number, because the mean of its divisors is an integer number (7890696583).

Almost surely, 254104021012 is an apocalyptic number.

It is an amenable number.

54104021012 is a deficient number, since it is larger than the sum of its proper divisors (40584337984).

54104021012 is a wasteful number, since it uses less digits than its factorization.

54104021012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 903178 (or 903176 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

Adding to 54104021012 its reverse (21012040145), we get a palindrome (75116061157).

The spelling of 54104021012 in words is "fifty-four billion, one hundred four million, twenty-one thousand, twelve".

Divisors: 1 2 4 15233 30466 60932 887941 1775882 3551764 13526005253 27052010506 54104021012