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10207427740 = 2252797182471
BaseRepresentation
bin10011000000110100…
…01111110010011100
3222100101002001111021
421200122033302130
5131401100141430
64404512333524
7510643463356
oct114032176234
928311061437
1010207427740
1143689105a4
121b8a5442a4
13c68975593
146cb91a0d6
153eb1d307a
hex26068fc9c

10207427740 has 24 divisors (see below), whose sum is σ = 21443379552. Its totient is φ = 4081488960.

The previous prime is 10207427719. The next prime is 10207427777. The reversal of 10207427740 is 4772470201.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 10207427696 and 10207427705.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35296 + ... + 147175.

It is an arithmetic number, because the mean of its divisors is an integer number (893474148).

Almost surely, 210207427740 is an apocalyptic number.

10207427740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10207427740 is an abundant number, since it is smaller than the sum of its proper divisors (11235951812).

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

10207427740 is a wasteful number, since it uses less digits than its factorization.

10207427740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185277 (or 185275 counting only the distinct ones).

The product of its (nonzero) digits is 21952, while the sum is 34.

Adding to 10207427740 its reverse (4772470201), we get a palindrome (14979897941).

The spelling of 10207427740 in words is "ten billion, two hundred seven million, four hundred twenty-seven thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 2797 5594 11188 13985 27970 55940 182471 364942 729884 912355 1824710 3649420 510371387 1020742774 2041485548 2551856935 5103713870 10207427740