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1207110025 = 52114389491
BaseRepresentation
bin100011111110011…
…0000100110001001
310010010101112122201
41013330300212021
54433010010100
6315440320201
741625160132
oct10774604611
93103345581
101207110025
1156a4226a0
12298313061
131631137b4
14b6460c89
1570e9236a
hex47f30989

1207110025 has 12 divisors (see below), whose sum is σ = 1632891024. Its totient is φ = 877898000.

The previous prime is 1207110019. The next prime is 1207110059. The reversal of 1207110025 is 5200117021.

It is not a de Polignac number, because 1207110025 - 25 = 1207109993 is a prime.

It is a super-2 number, since 2×12071100252 = 2914229224911001250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1207109984 and 1207110011.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2194471 + ... + 2195020.

It is an arithmetic number, because the mean of its divisors is an integer number (136074252).

Almost surely, 21207110025 is an apocalyptic number.

It is an amenable number.

1207110025 is a deficient number, since it is larger than the sum of its proper divisors (425780999).

1207110025 is a wasteful number, since it uses less digits than its factorization.

1207110025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4389512 (or 4389507 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 19.

The square root of 1207110025 is about 34743.4889583646. The cubic root of 1207110025 is about 1064.7531957651.

Adding to 1207110025 its reverse (5200117021), we get a palindrome (6407227046).

The spelling of 1207110025 in words is "one billion, two hundred seven million, one hundred ten thousand, twenty-five".

Divisors: 1 5 11 25 55 275 4389491 21947455 48284401 109737275 241422005 1207110025