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22031102712 = 233917962613
BaseRepresentation
bin10100100001001001…
…111111001011111000
32002212101101222101010
4110201021333023320
5330104430241322
614042042553520
71406644166103
oct244111771370
962771358333
1022031102712
119385a8a603
12432a2088a0
132101421b68
1410cdd5973a
1588e22420c
hex52127f2f8

22031102712 has 16 divisors (see below), whose sum is σ = 55077756840. Its totient is φ = 7343700896.

The previous prime is 22031102707. The next prime is 22031102747. The reversal of 22031102712 is 21720113022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 458981283 + ... + 458981330.

Almost surely, 222031102712 is an apocalyptic number.

It is an amenable number.

22031102712 is an abundant number, since it is smaller than the sum of its proper divisors (33046654128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22031102712 is a wasteful number, since it uses less digits than its factorization.

22031102712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 917962622 (or 917962618 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 21.

Adding to 22031102712 its reverse (21720113022), we get a palindrome (43751215734).

The spelling of 22031102712 in words is "twenty-two billion, thirty-one million, one hundred two thousand, seven hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 917962613 1835925226 2753887839 3671850452 5507775678 7343700904 11015551356 22031102712