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163481412 = 22313623451
BaseRepresentation
bin10011011111010…
…00011101000100
3102101121201100010
421233220131010
5313322401122
624115550220
74023366123
oct1157503504
9371551303
10163481412
1184310006
12468bb370
1327b3c283
14179d7aba
15e543e0c
hex9be8744

163481412 has 12 divisors (see below), whose sum is σ = 381456656. Its totient is φ = 54493800.

The previous prime is 163481411. The next prime is 163481413. The reversal of 163481412 is 214184361.

163481412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (163481411) and next prime (163481413).

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 163481412.

It is not an unprimeable number, because it can be changed into a prime (163481411) 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, 6811714 + ... + 6811737.

Almost surely, 2163481412 is an apocalyptic number.

163481412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

163481412 is an abundant number, since it is smaller than the sum of its proper divisors (217975244).

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

163481412 is a wasteful number, since it uses less digits than its factorization.

163481412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13623458 (or 13623456 counting only the distinct ones).

The product of its digits is 4608, while the sum is 30.

The square root of 163481412 is about 12785.9849835670. The cubic root of 163481412 is about 546.7928076617.

The spelling of 163481412 in words is "one hundred sixty-three million, four hundred eighty-one thousand, four hundred twelve".

Divisors: 1 2 3 4 6 12 13623451 27246902 40870353 54493804 81740706 163481412