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12746540037 = 371155179827
BaseRepresentation
bin10111101111100000…
…01100010000000101
31012220022212022202110
423313300030100011
5202101103240122
65504454331233
7630604542210
oct136760142005
935808768673
1012746540037
1154510a9210
122578959b19
131281a1a4aa
1488cc2c777
154e908790c
hex2f7c0c405

12746540037 has 16 divisors (see below), whose sum is σ = 21189053952. Its totient is φ = 6621579120.

The previous prime is 12746539999. The next prime is 12746540069. The reversal of 12746540037 is 73004564721.

It is not a de Polignac number, because 12746540037 - 215 = 12746507269 is a prime.

It is a super-2 number, since 2×127465400372 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12746539977 and 12746540004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12746540077) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27589683 + ... + 27590144.

It is an arithmetic number, because the mean of its divisors is an integer number (1324315872).

Almost surely, 212746540037 is an apocalyptic number.

It is an amenable number.

12746540037 is a deficient number, since it is larger than the sum of its proper divisors (8442513915).

12746540037 is a wasteful number, since it uses less digits than its factorization.

12746540037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55179848.

The product of its (nonzero) digits is 141120, while the sum is 39.

The spelling of 12746540037 in words is "twelve billion, seven hundred forty-six million, five hundred forty thousand, thirty-seven".

Divisors: 1 3 7 11 21 33 77 231 55179827 165539481 386258789 606978097 1158776367 1820934291 4248846679 12746540037