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12834815088 = 243267391981
BaseRepresentation
bin10111111010000001…
…11011110001110000
31020010110222011100210
423331000323301300
5202241203040323
65521330344120
7633026061654
oct137500736160
936113864323
1012834815088
115496a115a7
1225a242b040
1312970b7254
1489a84aa64
15501bc3293
hex2fd03bc70

12834815088 has 20 divisors (see below), whose sum is σ = 33156605768. Its totient is φ = 4278271680.

The previous prime is 12834815047. The next prime is 12834815089. The reversal of 12834815088 is 88051843821.

It is a super-3 number, since 3×128348150883 (a number of 31 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 267391981 = 12834815088 / (1 + 2 + 8 + 3 + 4 + 8 + 1 + 5 + 0 + 8 + 8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12834815089) 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, 133695943 + ... + 133696038.

Almost surely, 212834815088 is an apocalyptic number.

It is an amenable number.

12834815088 is an abundant number, since it is smaller than the sum of its proper divisors (20321790680).

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

12834815088 is a wasteful number, since it uses less digits than its factorization.

12834815088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267391992 (or 267391986 counting only the distinct ones).

The product of its (nonzero) digits is 491520, while the sum is 48.

The spelling of 12834815088 in words is "twelve billion, eight hundred thirty-four million, eight hundred fifteen thousand, eighty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 267391981 534783962 802175943 1069567924 1604351886 2139135848 3208703772 4278271696 6417407544 12834815088