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12272078936 = 2313118000759
BaseRepresentation
bin10110110110111100…
…10001000001011000
31011200021002012111002
423123132101001120
5200113123011221
65345425124132
7613053643535
oct133336210130
934607065432
1012272078936
1152282a55a7
122465a89648
131207637990
14845c03d8c
154bc5b680b
hex2db791058

12272078936 has 16 divisors (see below), whose sum is σ = 24780159600. Its totient is φ = 5664036384.

The previous prime is 12272078899. The next prime is 12272078939. The reversal of 12272078936 is 63987027221.

It is a happy number.

It is a super-2 number, since 2×122720789362 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12272078939) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59000276 + ... + 59000483.

It is an arithmetic number, because the mean of its divisors is an integer number (1548759975).

Almost surely, 212272078936 is an apocalyptic number.

It is an amenable number.

12272078936 is an abundant number, since it is smaller than the sum of its proper divisors (12508080664).

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

12272078936 is a wasteful number, since it uses less digits than its factorization.

12272078936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118000778 (or 118000774 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 47.

The spelling of 12272078936 in words is "twelve billion, two hundred seventy-two million, seventy-eight thousand, nine hundred thirty-six".

Divisors: 1 2 4 8 13 26 52 104 118000759 236001518 472003036 944006072 1534009867 3068019734 6136039468 12272078936