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22010233031 = 37216077599
BaseRepresentation
bin10100011111111010…
…011000000011000111
32002210221010200112222
4110133322120003013
5330034104424111
614040015402555
71406301615413
oct243772300307
962727120488
1022010233031
119375225936
12432322345b
1320c9cc5937
1410cb285d43
1588c4a07db
hex51fe980c7

22010233031 has 6 divisors (see below), whose sum is σ = 22621183200. Its totient is φ = 21415360536.

The previous prime is 22010232997. The next prime is 22010233067. The reversal of 22010233031 is 13033201022.

It is not a de Polignac number, because 22010233031 - 214 = 22010216647 is a prime.

It is a super-2 number, since 2×220102330312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22010233331) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8037431 + ... + 8040168.

It is an arithmetic number, because the mean of its divisors is an integer number (3770197200).

Almost surely, 222010233031 is an apocalyptic number.

22010233031 is a deficient number, since it is larger than the sum of its proper divisors (610950169).

22010233031 is an equidigital number, since it uses as much as digits as its factorization.

22010233031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16077673 (or 16077636 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 22010233031 its reverse (13033201022), we get a palindrome (35043434053).

The spelling of 22010233031 in words is "twenty-two billion, ten million, two hundred thirty-three thousand, thirty-one".

Divisors: 1 37 1369 16077599 594871163 22010233031