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10206407252 = 2216057158909
BaseRepresentation
bin10011000000101100…
…10110101001010100
3222100022011012122102
421200112112221110
5131400320013002
64404434421232
7510632013236
oct114026265124
928308135572
1010206407252
114368283918
121b8a131818
13c686a8c42
146cb732256
153eb080a02
hex260596a54

10206407252 has 12 divisors (see below), whose sum is σ = 17862437460. Its totient is φ = 5102853696.

The previous prime is 10206407219. The next prime is 10206407261. The reversal of 10206407252 is 25270460201.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2573938756 + 7632468496 = 50734^2 + 87364^2 .

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, 15227 + ... + 143682.

It is an arithmetic number, because the mean of its divisors is an integer number (1488536455).

Almost surely, 210206407252 is an apocalyptic number.

It is an amenable number.

10206407252 is a deficient number, since it is larger than the sum of its proper divisors (7656030208).

10206407252 is a wasteful number, since it uses less digits than its factorization.

10206407252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174970 (or 174968 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

Adding to 10206407252 its reverse (25270460201), we get a palindrome (35476867453).

The spelling of 10206407252 in words is "ten billion, two hundred six million, four hundred seven thousand, two hundred fifty-two".

Divisors: 1 2 4 16057 32114 64228 158909 317818 635636 2551601813 5103203626 10206407252