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22039190551 = 721953123029
BaseRepresentation
bin10100100001101000…
…110101110000010111
32002212221121212210201
4110201220311300113
5330114013044201
614042532201331
71410103012600
oct244150656027
962787555721
1022039190551
11938a604074
124330a69247
132102cc4271
1410d1062da7
1588ecc0801
hex521a35c17

22039190551 has 12 divisors (see below), whose sum is σ = 25639851720. Its totient is φ = 18888947280.

The previous prime is 22039190539. The next prime is 22039190557. The reversal of 22039190551 is 15509193022.

It is not a de Polignac number, because 22039190551 - 225 = 22005636119 is a prime.

It is a super-4 number, since 4×220391905514 (a number of 42 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22039190551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22039190557) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 945505 + ... + 968533.

It is an arithmetic number, because the mean of its divisors is an integer number (2136654310).

Almost surely, 222039190551 is an apocalyptic number.

22039190551 is a deficient number, since it is larger than the sum of its proper divisors (3600661169).

22039190551 is a wasteful number, since it uses less digits than its factorization.

22039190551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42574 (or 42567 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 37.

The spelling of 22039190551 in words is "twenty-two billion, thirty-nine million, one hundred ninety thousand, five hundred fifty-one".

Divisors: 1 7 49 19531 23029 136717 161203 957019 1128421 449779399 3148455793 22039190551