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12238870419 = 3328112231319
BaseRepresentation
bin10110110010111111…
…00101011110010011
31011120221121000222000
423121133211132103
5200031122323134
65342241245043
7612201452646
oct133137453623
934527530860
1012238870419
115210583546
122456933783
1312007ab479
1484163ba5d
154b9706e99
hex2d97e5793

12238870419 has 32 divisors (see below), whose sum is σ = 18224870400. Its totient is φ = 8117403840.

The previous prime is 12238870411. The next prime is 12238870549. The reversal of 12238870419 is 91407883221.

It is a happy number.

12238870419 is a `hidden beast` number, since 1 + 223 + 8 + 8 + 7 + 0 + 419 = 666.

It is not a de Polignac number, because 12238870419 - 23 = 12238870411 is a prime.

It is a super-2 number, since 2×122388704192 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12238870411) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9278242 + ... + 9279560.

It is an arithmetic number, because the mean of its divisors is an integer number (569527200).

Almost surely, 212238870419 is an apocalyptic number.

12238870419 is a deficient number, since it is larger than the sum of its proper divisors (5985999981).

12238870419 is a wasteful number, since it uses less digits than its factorization.

12238870419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2832 (or 2826 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The spelling of 12238870419 in words is "twelve billion, two hundred thirty-eight million, eight hundred seventy thousand, four hundred nineteen".

Divisors: 1 3 9 27 281 843 1223 1319 2529 3669 3957 7587 11007 11871 33021 35613 343663 370639 1030989 1111917 1613137 3092967 3335751 4839411 9278901 10007253 14518233 43554699 453291497 1359874491 4079623473 12238870419