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15110421425 = 521154946987
BaseRepresentation
bin11100001001010011…
…01011101110110001
31110000001220221101222
432010221223232301
5221421231441200
610535220434425
71043310314531
oct160451535661
943001827358
1015110421425
1164544912a0
122b18548a15
13156a69b188
14a34b694c1
155d6876d85
hex384a6bbb1

15110421425 has 12 divisors (see below), whose sum is σ = 20440279536. Its totient is φ = 10989397200.

The previous prime is 15110421373. The next prime is 15110421437. The reversal of 15110421425 is 52412401151.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2k-15110421425 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15110421394 and 15110421403.

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, 27473219 + ... + 27473768.

It is an arithmetic number, because the mean of its divisors is an integer number (1703356628).

Almost surely, 215110421425 is an apocalyptic number.

It is an amenable number.

15110421425 is a deficient number, since it is larger than the sum of its proper divisors (5329858111).

15110421425 is a wasteful number, since it uses less digits than its factorization.

15110421425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54947008 (or 54947003 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 26.

Adding to 15110421425 its reverse (52412401151), we get a palindrome (67522822576).

The spelling of 15110421425 in words is "fifteen billion, one hundred ten million, four hundred twenty-one thousand, four hundred twenty-five".

Divisors: 1 5 11 25 55 275 54946987 274734935 604416857 1373674675 3022084285 15110421425