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15111400045 = 571725397311
BaseRepresentation
bin11100001001011010…
…11010101001101101
31110000010202122211011
432010231122221231
5221422004300140
610535253425221
71043321531620
oct160455325155
943003678734
1015111400045
116454a9a575
122b1893b211
13156a951741
14a34d41db7
155d69bbcea
hex384b5aa6d

15111400045 has 16 divisors (see below), whose sum is σ = 21943277568. Its totient is φ = 9752567040.

The previous prime is 15111400037. The next prime is 15111400061. The reversal of 15111400045 is 54000411151.

It is a happy number.

It is not a de Polignac number, because 15111400045 - 23 = 15111400037 is a prime.

It is a super-2 number, since 2×151114000452 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15111399989 and 15111400025.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12698061 + ... + 12699250.

It is an arithmetic number, because the mean of its divisors is an integer number (1371454848).

Almost surely, 215111400045 is an apocalyptic number.

It is an amenable number.

15111400045 is a deficient number, since it is larger than the sum of its proper divisors (6831877523).

15111400045 is a wasteful number, since it uses less digits than its factorization.

15111400045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25397340.

The product of its (nonzero) digits is 400, while the sum is 22.

Adding to 15111400045 its reverse (54000411151), we get a palindrome (69111811196).

The spelling of 15111400045 in words is "fifteen billion, one hundred eleven million, four hundred thousand, forty-five".

Divisors: 1 5 7 17 35 85 119 595 25397311 126986555 177781177 431754287 888905885 2158771435 3022280009 15111400045