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12265947190 = 257592969963
BaseRepresentation
bin10110110110001101…
…11000000000110110
31011122211112200022101
423123012320000312
5200110040302230
65345045452314
7612650554660
oct133306700066
934584480271
1012265947190
115224897742
122463a1109a
13120629ba23
14845089530
154bbca4aca
hex2db1b8036

12265947190 has 32 divisors (see below), whose sum is σ = 25660488960. Its totient is φ = 4134187104.

The previous prime is 12265947181. The next prime is 12265947191. The reversal of 12265947190 is 9174956221.

It is a super-2 number, since 2×122659471902 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12265947190.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12265947191) 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, 1480852 + ... + 1489111.

It is an arithmetic number, because the mean of its divisors is an integer number (801890280).

Almost surely, 212265947190 is an apocalyptic number.

12265947190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12265947190 is an abundant number, since it is smaller than the sum of its proper divisors (13394541770).

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

12265947190 is a wasteful number, since it uses less digits than its factorization.

12265947190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2970036.

The product of its (nonzero) digits is 272160, while the sum is 46.

The spelling of 12265947190 in words is "twelve billion, two hundred sixty-five million, nine hundred forty-seven thousand, one hundred ninety".

Divisors: 1 2 5 7 10 14 35 59 70 118 295 413 590 826 2065 4130 2969963 5939926 14849815 20789741 29699630 41579482 103948705 175227817 207897410 350455634 876139085 1226594719 1752278170 2453189438 6132973595 12265947190