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23400044212 = 2212413471281
BaseRepresentation
bin10101110010110000…
…000101011010110100
32020101210022102002011
4111302300011122310
5340410402403322
614425544054004
71455606044146
oct256260053264
966353272064
1023400044212
119a18795616
124650764304
13228bc1790c
1411bdaa4c96
1591e4d1677
hex572c056b4

23400044212 has 12 divisors (see below), whose sum is σ = 40953463236. Its totient is φ = 11699054720.

The previous prime is 23400044203. The next prime is 23400044231. The reversal of 23400044212 is 21244000432.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8537020816 + 14863023396 = 92396^2 + 121914^2 .

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, 185989 + ... + 285292.

It is an arithmetic number, because the mean of its divisors is an integer number (3412788603).

Almost surely, 223400044212 is an apocalyptic number.

It is an amenable number.

23400044212 is a deficient number, since it is larger than the sum of its proper divisors (17553419024).

23400044212 is a wasteful number, since it uses less digits than its factorization.

23400044212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483698 (or 483696 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 23400044212 its reverse (21244000432), we get a palindrome (44644044644).

The spelling of 23400044212 in words is "twenty-three billion, four hundred million, forty-four thousand, two hundred twelve".

Divisors: 1 2 4 12413 24826 49652 471281 942562 1885124 5850011053 11700022106 23400044212