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54315015530 = 2529187293157
BaseRepresentation
bin110010100101011011…
…010101110101101010
312012012022021200010212
4302211123111311222
51342214120444110
640541343141122
73631656004646
oct624533256552
9165168250125
1054315015530
1121042457096
12a639ba47a2
135177a18959
1428b3845c26
15162d5e2e05
hexca56d5d6a

54315015530 has 16 divisors (see below), whose sum is σ = 101138305320. Its totient is φ = 20976833472.

The previous prime is 54315015523. The next prime is 54315015553. The reversal of 54315015530 is 3551051345.

It can be written as a sum of positive squares in 4 ways, for example, as 32990546689 + 21324468841 = 181633^2 + 146029^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93646289 + ... + 93646868.

Almost surely, 254315015530 is an apocalyptic number.

54315015530 is a deficient number, since it is larger than the sum of its proper divisors (46823289790).

54315015530 is a wasteful number, since it uses less digits than its factorization.

54315015530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187293193.

The product of its (nonzero) digits is 22500, while the sum is 32.

Adding to 54315015530 its reverse (3551051345), we get a palindrome (57866066875).

The spelling of 54315015530 in words is "fifty-four billion, three hundred fifteen million, fifteen thousand, five hundred thirty".

Divisors: 1 2 5 10 29 58 145 290 187293157 374586314 936465785 1872931570 5431501553 10863003106 27157507765 54315015530