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12641072037 = 3111814195051
BaseRepresentation
bin10111100010111011…
…10111001110100101
31012121222101222212020
423301131313032211
5201342103301122
65450210013353
7625154224266
oct136135671645
935558358766
1012641072037
1153a7612580
122549577259
131265c10ba9
1487cc1696d
154deba2c5c
hex2f17773a5

12641072037 has 32 divisors (see below), whose sum is σ = 18536394240. Its totient is φ = 7599240000.

The previous prime is 12641072009. The next prime is 12641072123. The reversal of 12641072037 is 73027014621.

It is not a de Polignac number, because 12641072037 - 212 = 12641067941 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 12641071989 and 12641072007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12641072137) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2500162 + ... + 2505212.

It is an arithmetic number, because the mean of its divisors is an integer number (579262320).

Almost surely, 212641072037 is an apocalyptic number.

It is an amenable number.

12641072037 is a deficient number, since it is larger than the sum of its proper divisors (5895322203).

12641072037 is a wasteful number, since it uses less digits than its factorization.

12641072037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5665.

The product of its (nonzero) digits is 14112, while the sum is 33.

Adding to 12641072037 its reverse (73027014621), we get a palindrome (85668086658).

The spelling of 12641072037 in words is "twelve billion, six hundred forty-one million, seventy-two thousand, thirty-seven".

Divisors: 1 3 11 33 181 419 543 1257 1991 4609 5051 5973 13827 15153 55561 75839 166683 227517 834229 914231 2116369 2502687 2742693 6349107 10056541 23280059 30169623 69840177 383062789 1149188367 4213690679 12641072037