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10100052391 = 11131072772383
BaseRepresentation
bin10010110100000001…
…01001000110100111
3222001220000211012111
421122000221012213
5131141103134031
64350115101451
7505201012612
oct113200510647
928056024174
1010100052391
114313241940
121b5a5a1887
13c4c64ba80
146bb569179
153e1a731b1
hex25a0291a7

10100052391 has 32 divisors (see below), whose sum is σ = 12024972288. Its totient is φ = 8362535040.

The previous prime is 10100052229. The next prime is 10100052439. The reversal of 10100052391 is 19325000101.

10100052391 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 10100052391 - 233 = 1510117799 is a prime.

It is a super-2 number, since 2×101000523912 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10100052191) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4237186 + ... + 4239568.

It is an arithmetic number, because the mean of its divisors is an integer number (375780384).

Almost surely, 210100052391 is an apocalyptic number.

10100052391 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10100052391 is a deficient number, since it is larger than the sum of its proper divisors (1924919897).

10100052391 is a wasteful number, since it uses less digits than its factorization.

10100052391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2791.

The product of its (nonzero) digits is 270, while the sum is 22.

Adding to 10100052391 its reverse (19325000101), we get a palindrome (29425052492).

The spelling of 10100052391 in words is "ten billion, one hundred million, fifty-two thousand, three hundred ninety-one".

Divisors: 1 11 13 107 143 277 1177 1391 2383 3047 3601 15301 26213 29639 30979 39611 254981 326029 340769 385307 660091 2804791 3314753 4238377 7261001 8581183 36462283 70629737 94393013 776927107 918186581 10100052391