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163472662079 = 1571041227147
BaseRepresentation
bin1001100000111110111…
…0101101111000111111
3120121221200122122210222
42120033232231320333
510134243000141304
6203033122251555
714545001462306
oct2301756557077
9517850578728
10163472662079
1163368068621
12278227b6bbb
1312552853b5c
147caabd743d
1543bb7994be
hex260fbade3f

163472662079 has 4 divisors (see below), whose sum is σ = 164513889384. Its totient is φ = 162431434776.

The previous prime is 163472662033. The next prime is 163472662091. The reversal of 163472662079 is 970266274361.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-163472662079 is a prime.

It is a super-2 number, since 2×1634726620792 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 163472662079.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163472602079) 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, 520613417 + ... + 520613730.

It is an arithmetic number, because the mean of its divisors is an integer number (41128472346).

Almost surely, 2163472662079 is an apocalyptic number.

163472662079 is a deficient number, since it is larger than the sum of its proper divisors (1041227305).

163472662079 is a wasteful number, since it uses less digits than its factorization.

163472662079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1041227304.

The product of its (nonzero) digits is 4572288, while the sum is 53.

The spelling of 163472662079 in words is "one hundred sixty-three billion, four hundred seventy-two million, six hundred sixty-two thousand, seventy-nine".

Divisors: 1 157 1041227147 163472662079