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10444071920 = 245130550899
BaseRepresentation
bin10011011101000001…
…11110001111110000
3222221212100211021112
421232200332033300
5132342140300140
64444204412452
7516546101162
oct115640761760
928855324245
1010444071920
11447a4518a7
122035847128
13ca59bcb19
1471111a932
15411d79c65
hex26e83e3f0

10444071920 has 20 divisors (see below), whose sum is σ = 24282467400. Its totient is φ = 4177628736.

The previous prime is 10444071887. The next prime is 10444071923. The reversal of 10444071920 is 2917044401.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10444071923) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65275370 + ... + 65275529.

It is an arithmetic number, because the mean of its divisors is an integer number (1214123370).

Almost surely, 210444071920 is an apocalyptic number.

10444071920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10444071920 is an abundant number, since it is smaller than the sum of its proper divisors (13838395480).

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

10444071920 is a wasteful number, since it uses less digits than its factorization.

10444071920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130550912 (or 130550906 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The spelling of 10444071920 in words is "ten billion, four hundred forty-four million, seventy-one thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 80 130550899 261101798 522203596 652754495 1044407192 1305508990 2088814384 2611017980 5222035960 10444071920