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12537074746 = 273137221101
BaseRepresentation
bin10111010110100010…
…01001010000111010
31012100201201101101201
423223101021100322
5201133442342441
65432013004414
7622452243220
oct135321112072
935321641351
1012537074746
1153539408a9
12251a78370a
13124a4cab31
1486d0a4b10
154d59adc31
hex2eb44943a

12537074746 has 48 divisors (see below), whose sum is σ = 22802314752. Its totient is φ = 5058936000.

The previous prime is 12537074731. The next prime is 12537074749. The reversal of 12537074746 is 64747073521.

It is a junction number, because it is equal to n+sod(n) for n = 12537074696 and 12537074705.

It is not an unprimeable number, because it can be changed into a prime (12537074749) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 583596 + ... + 604696.

It is an arithmetic number, because the mean of its divisors is an integer number (475048224).

Almost surely, 212537074746 is an apocalyptic number.

12537074746 is a deficient number, since it is larger than the sum of its proper divisors (10265240006).

12537074746 is a wasteful number, since it uses less digits than its factorization.

12537074746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21215 (or 21178 counting only the distinct ones).

The product of its (nonzero) digits is 987840, while the sum is 46.

The spelling of 12537074746 in words is "twelve billion, five hundred thirty-seven million, seventy-four thousand, seven hundred forty-six".

Divisors: 1 2 7 14 31 37 62 74 217 259 434 518 1147 1369 2294 2738 8029 9583 16058 19166 21101 42202 42439 84878 147707 295414 297073 594146 654131 780737 1308262 1561474 4578917 5465159 9157834 10930318 24202847 28887269 48405694 57774538 169419929 202210883 338839858 404421766 895505339 1791010678 6268537373 12537074746