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12542076660534 = 2318427113439307
BaseRepresentation
bin1011011010000010111000…
…0001100010101100110110
31122102000021212221122020120
42312200232001202230312
53120442133111114114
642401430034112410
72433064231421511
oct266405601425466
948360255848216
1012542076660534
113aa6079338113
1214a68a411b706
136cc935bc8615
1431507b101d78
1516b3ac9e25a9
hexb682e062b36

12542076660534 has 16 divisors (see below), whose sum is σ = 25085514813888. Its totient is φ = 4180465304712.

The previous prime is 12542076660473. The next prime is 12542076660557. The reversal of 12542076660534 is 43506667024521.

It is a congruent 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, 56609092 + ... + 56830215.

It is an arithmetic number, because the mean of its divisors is an integer number (1567844675868).

Almost surely, 212542076660534 is an apocalyptic number.

12542076660534 is an abundant number, since it is smaller than the sum of its proper divisors (12543438153354).

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

12542076660534 is a wasteful number, since it uses less digits than its factorization.

12542076660534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113457739.

The product of its (nonzero) digits is 7257600, while the sum is 51.

The spelling of 12542076660534 in words is "twelve trillion, five hundred forty-two billion, seventy-six million, six hundred sixty thousand, five hundred thirty-four".

Divisors: 1 2 3 6 18427 36854 55281 110562 113439307 226878614 340317921 680635842 2090346110089 4180692220178 6271038330267 12542076660534