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15204214040013 = 34187706346173
BaseRepresentation
bin1101110101000000000111…
…0001101110010111001101
31222211111201211002110220000
43131100001301232113031
53443101212243240023
652200415225114513
73126316411661415
oct335200161562715
958744654073800
1015204214040013
1149320864a8379
121856818628a39
1386399c5c204b
143a7c60505645
151b576aa3d243
hexdd401c6e5cd

15204214040013 has 10 divisors (see below), whose sum is σ = 22712467887054. Its totient is φ = 10136142693288.

The previous prime is 15204214039967. The next prime is 15204214040047. The reversal of 15204214040013 is 31004041240251.

15204214040013 is a `hidden beast` number, since 1 + 5 + 204 + 2 + 1 + 40 + 400 + 13 = 666.

15204214040013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 14268471233769 + 935742806244 = 3777363^2 + 967338^2 .

It is not a de Polignac number, because 15204214040013 - 210 = 15204214038989 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15204214040713) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 93853173006 + ... + 93853173167.

Almost surely, 215204214040013 is an apocalyptic number.

It is an amenable number.

15204214040013 is a deficient number, since it is larger than the sum of its proper divisors (7508253847041).

15204214040013 is an equidigital number, since it uses as much as digits as its factorization.

15204214040013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187706346185 (or 187706346176 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 15204214040013 its reverse (31004041240251), we get a palindrome (46208255280264).

The spelling of 15204214040013 in words is "fifteen trillion, two hundred four billion, two hundred fourteen million, forty thousand, thirteen".

Divisors: 1 3 9 27 81 187706346173 563119038519 1689357115557 5068071346671 15204214040013