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10153230655 = 52030646131
BaseRepresentation
bin10010111010010111…
…00000000100111111
3222012121002120001211
421131023200010333
5131243211340110
64355254545251
7506415015361
oct113513400477
928177076054
1010153230655
114340263517
121b74368227
13c5a67a9b9
146c464cd31
153e657998a
hex25d2e013f

10153230655 has 4 divisors (see below), whose sum is σ = 12183876792. Its totient is φ = 8122584520.

The previous prime is 10153230631. The next prime is 10153230673. The reversal of 10153230655 is 55603235101.

10153230655 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55603235101 = 79703838419.

It is not a de Polignac number, because 10153230655 - 213 = 10153222463 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1015323061 + ... + 1015323070.

It is an arithmetic number, because the mean of its divisors is an integer number (3045969198).

Almost surely, 210153230655 is an apocalyptic number.

10153230655 is a deficient number, since it is larger than the sum of its proper divisors (2030646137).

10153230655 is an equidigital number, since it uses as much as digits as its factorization.

10153230655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2030646136.

The product of its (nonzero) digits is 13500, while the sum is 31.

Adding to 10153230655 its reverse (55603235101), we get a palindrome (65756465756).

The spelling of 10153230655 in words is "ten billion, one hundred fifty-three million, two hundred thirty thousand, six hundred fifty-five".

Divisors: 1 5 2030646131 10153230655