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12855483296 = 2519173122219
BaseRepresentation
bin10111111100011111…
…10001101110100000
31020011220212012210222
423332033301232200
5202312000431141
65523345342212
7633366543065
oct137617615640
936156765728
1012855483296
1154a7648967
1225a9337968
13129b472866
1489d4aac6c
1550390714b
hex2fe3f1ba0

12855483296 has 48 divisors (see below), whose sum is σ = 26795512800. Its totient is φ = 6054190848.

The previous prime is 12855483281. The next prime is 12855483367. The reversal of 12855483296 is 69238455821.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44075 + ... + 166293.

It is an arithmetic number, because the mean of its divisors is an integer number (558239850).

Almost surely, 212855483296 is an apocalyptic number.

12855483296 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12855483296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13397756400).

12855483296 is an abundant number, since it is smaller than the sum of its proper divisors (13940029504).

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

12855483296 is a wasteful number, since it uses less digits than its factorization.

12855483296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122421 (or 122413 counting only the distinct ones).

The product of its digits is 4147200, while the sum is 53.

The spelling of 12855483296 in words is "twelve billion, eight hundred fifty-five million, four hundred eighty-three thousand, two hundred ninety-six".

Divisors: 1 2 4 8 16 19 32 38 76 152 173 304 346 608 692 1384 2768 3287 5536 6574 13148 26296 52592 105184 122219 244438 488876 977752 1955504 2322161 3911008 4644322 9288644 18577288 21143887 37154576 42287774 74309152 84575548 169151096 338302192 401733853 676604384 803467706 1606935412 3213870824 6427741648 12855483296