Search a number
-
+
15204740274161 = 431873511336923
BaseRepresentation
bin1101110101000010000100…
…1001001001011111110001
31222211120002111021221102122
43131100201021021133301
53443103302002233121
652200543344124025
73126335431620644
oct335204111113761
958746074257378
1015204740274161
114932326552929
121856944906615
13863a54630cb9
143a7cb0369a5b
151b579bd395ab
hexdd4212497f1

15204740274161 has 16 divisors (see below), whose sum is σ = 15570111729216. Its totient is φ = 14839907636736.

The previous prime is 15204740274023. The next prime is 15204740274167. The reversal of 15204740274161 is 16147204740251.

It is a cyclic number.

It is not a de Polignac number, because 15204740274161 - 230 = 15203666532337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15204740274167) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 411777446 + ... + 411814368.

It is an arithmetic number, because the mean of its divisors is an integer number (973131983076).

Almost surely, 215204740274161 is an apocalyptic number.

It is an amenable number.

15204740274161 is a deficient number, since it is larger than the sum of its proper divisors (365371455055).

15204740274161 is a wasteful number, since it uses less digits than its factorization.

15204740274161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43952.

The product of its (nonzero) digits is 376320, while the sum is 44.

The spelling of 15204740274161 in words is "fifteen trillion, two hundred four billion, seven hundred forty million, two hundred seventy-four thousand, one hundred sixty-one".

Divisors: 1 43 1873 5113 36923 80539 219859 1587689 9576649 69156779 188787299 411795907 2973741497 8117853857 353598611027 15204740274161