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10111154425 = 52404446177
BaseRepresentation
bin10010110101010101…
…11111100011111001
3222002122220212022221
421122222333203321
5131201423420200
64351153044041
7505364252221
oct113252774371
928078825287
1010111154425
114319534a79
121b62256621
13c51a38118
146bcc19081
153e2a1791a
hex25aabf8f9

10111154425 has 6 divisors (see below), whose sum is σ = 12537831518. Its totient is φ = 8088923520.

The previous prime is 10111154419. The next prime is 10111154503. The reversal of 10111154425 is 52445111101.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 2899068649 + 7212085776 = 53843^2 + 84924^2 .

It is not a de Polignac number, because 10111154425 - 211 = 10111152377 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 404446177 = 10111154425 / (1 + 0 + 1 + 1 + 1 + 1 + 5 + 4 + 4 + 2 + 5).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10111154425.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 202223064 + ... + 202223113.

Almost surely, 210111154425 is an apocalyptic number.

It is an amenable number.

10111154425 is a deficient number, since it is larger than the sum of its proper divisors (2426677093).

10111154425 is an equidigital number, since it uses as much as digits as its factorization.

10111154425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404446187 (or 404446182 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 25.

Adding to 10111154425 its reverse (52445111101), we get a palindrome (62556265526).

The spelling of 10111154425 in words is "ten billion, one hundred eleven million, one hundred fifty-four thousand, four hundred twenty-five".

Divisors: 1 5 25 404446177 2022230885 10111154425