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15120101045 = 573113935577
BaseRepresentation
bin11100001010011101…
…00110111010110101
31110000202010201100102
432011032212322311
5221431221213140
610540204123445
71043455511150
oct160516467265
943022121312
1015120101045
1164599a2785
122b1b836585
13156c6a9c6a
14a36168c97
155d7639e15
hex3853a6eb5

15120101045 has 16 divisors (see below), whose sum is σ = 21405047808. Its totient is φ = 10033614720.

The previous prime is 15120101039. The next prime is 15120101057. The reversal of 15120101045 is 54010102151.

It is not a de Polignac number, because 15120101045 - 26 = 15120100981 is a prime.

It is a super-2 number, since 2×151201010452 (a number of 21 digits) contains 22 as substring.

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 (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6966704 + ... + 6968873.

It is an arithmetic number, because the mean of its divisors is an integer number (1337815488).

Almost surely, 215120101045 is an apocalyptic number.

It is an amenable number.

15120101045 is a deficient number, since it is larger than the sum of its proper divisors (6284946763).

15120101045 is a wasteful number, since it uses less digits than its factorization.

15120101045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13935620.

The product of its (nonzero) digits is 200, while the sum is 20.

Adding to 15120101045 its reverse (54010102151), we get a palindrome (69130203196).

The spelling of 15120101045 in words is "fifteen billion, one hundred twenty million, one hundred one thousand, forty-five".

Divisors: 1 5 7 31 35 155 217 1085 13935577 69677885 97549039 432002887 487745195 2160014435 3024020209 15120101045