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22490290751 = 612657138763
BaseRepresentation
bin10100111100100001…
…101001101000111111
32011001101110010221112
4110330201221220333
5332030003301001
614155404552235
71424221213535
oct247441515077
964041403845
1022490290751
1195a1201355
124437b5267b
1321755b7966
141134d2a155
158b96c9cbb
hex53c869a3f

22490290751 has 8 divisors (see below), whose sum is σ = 22867752144. Its totient is φ = 22113112320.

The previous prime is 22490290649. The next prime is 22490290759. The reversal of 22490290751 is 15709209422.

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

It is a cyclic number.

It is not a de Polignac number, because 22490290751 - 222 = 22486096447 is a prime.

It is a super-2 number, since 2×224902907512 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22490290699 and 22490290708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22490290759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92696 + ... + 231458.

It is an arithmetic number, because the mean of its divisors is an integer number (2858469018).

Almost surely, 222490290751 is an apocalyptic number.

22490290751 is a deficient number, since it is larger than the sum of its proper divisors (377461393).

22490290751 is a wasteful number, since it uses less digits than its factorization.

22490290751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141481.

The product of its (nonzero) digits is 90720, while the sum is 41.

The spelling of 22490290751 in words is "twenty-two billion, four hundred ninety million, two hundred ninety thousand, seven hundred fifty-one".

Divisors: 1 61 2657 138763 162077 8464543 368693291 22490290751