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22172002049 = 71859363541
BaseRepresentation
bin10100101001100011…
…011110011100000001
32010020012112101221002
4110221203132130001
5330402013031144
614104034541345
71413304623251
oct245143363401
963205471832
1022172002049
11944857633a
124369437855
132124685652
141104955961
1589b7a714e
hex5298de701

22172002049 has 8 divisors (see below), whose sum is σ = 22510520640. Its totient is φ = 21834212400.

The previous prime is 22172002043. The next prime is 22172002087. The reversal of 22172002049 is 94020027122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-22172002049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22172002043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120782 + ... + 242759.

It is an arithmetic number, because the mean of its divisors is an integer number (2813815080).

Almost surely, 222172002049 is an apocalyptic number.

It is an amenable number.

22172002049 is a deficient number, since it is larger than the sum of its proper divisors (338518591).

22172002049 is an equidigital number, since it uses as much as digits as its factorization.

22172002049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364471.

The product of its (nonzero) digits is 4032, while the sum is 29.

The spelling of 22172002049 in words is "twenty-two billion, one hundred seventy-two million, two thousand, forty-nine".

Divisors: 1 71 859 60989 363541 25811411 312281719 22172002049