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12951963348 = 2236125916829
BaseRepresentation
bin11000000111111111…
…10100011011010100
31020102122101220120020
430003333310123110
5203011200311343
65541113305140
7635650605042
oct140377643324
936378356506
1012951963348
115547055845
1226157051b0
1312b545314c
148ac223392
1550c113b83
hex303ff46d4

12951963348 has 48 divisors (see below), whose sum is σ = 30733032960. Its totient is φ = 4244284800.

The previous prime is 12951963341. The next prime is 12951963373. The reversal of 12951963348 is 84336915921.

It is a self number, because there is not a number n which added to its sum of digits gives 12951963348.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12951963341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1893198 + ... + 1900026.

It is an arithmetic number, because the mean of its divisors is an integer number (640271520).

Almost surely, 212951963348 is an apocalyptic number.

It is an amenable number.

12951963348 is an abundant number, since it is smaller than the sum of its proper divisors (17781069612).

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

12951963348 is a wasteful number, since it uses less digits than its factorization.

12951963348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9488 (or 9486 counting only the distinct ones).

The product of its digits is 1399680, while the sum is 51.

The spelling of 12951963348 in words is "twelve billion, nine hundred fifty-one million, nine hundred sixty-three thousand, three hundred forty-eight".

Divisors: 1 2 3 4 6 12 61 122 183 244 366 732 2591 5182 6829 7773 10364 13658 15546 20487 27316 31092 40974 81948 158051 316102 416569 474153 632204 833138 948306 1249707 1666276 1896612 2499414 4998828 17693939 35387878 53081817 70775756 106163634 212327268 1079330279 2158660558 3237990837 4317321116 6475981674 12951963348