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20112402044 = 2271938519817
BaseRepresentation
bin10010101110110010…
…101110011001111100
31220220200000212212102
4102232302232121330
5312142233331134
613123422324232
71311255411440
oct225662563174
956820025772
1020112402044
118590a21379
123a93729678
131b86a71417
14d8b1c4820
157caa7037e
hex4aecae67c

20112402044 has 48 divisors (see below), whose sum is σ = 42357208320. Its totient is φ = 8162985600.

The previous prime is 20112402029. The next prime is 20112402059. The reversal of 20112402044 is 44020421102.

It is an interprime number because it is at equal distance from previous prime (20112402029) and next prime (20112402059).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2043824 + ... + 2053640.

It is an arithmetic number, because the mean of its divisors is an integer number (882441840).

Almost surely, 220112402044 is an apocalyptic number.

It is an amenable number.

20112402044 is an abundant number, since it is smaller than the sum of its proper divisors (22244806276).

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

20112402044 is a wasteful number, since it uses less digits than its factorization.

20112402044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13698 (or 13696 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 20112402044 its reverse (44020421102), we get a palindrome (64132823146).

The spelling of 20112402044 in words is "twenty billion, one hundred twelve million, four hundred two thousand, forty-four".

Divisors: 1 2 4 7 14 19 28 38 76 133 266 532 3851 7702 9817 15404 19634 26957 39268 53914 68719 73169 107828 137438 146338 186523 274876 292676 373046 512183 746092 1024366 1305661 2048732 2611322 5222644 37805267 75610534 151221068 264636869 529273738 718300073 1058547476 1436600146 2873200292 5028100511 10056201022 20112402044