Search a number
-
+
15369891242 = 237419495707
BaseRepresentation
bin11100101000001110…
…11110110110101010
31110200011011101002012
432110013132312222
5222434143004432
611021050035522
71052610630356
oct162407366652
943604141065
1015369891242
1165779a2862
122b8b418ba2
1315ac378004
14a5b3cc466
155ee52bcb2
hex3941dedaa

15369891242 has 16 divisors (see below), whose sum is σ = 23734499040. Its totient is φ = 7459383888.

The previous prime is 15369891203. The next prime is 15369891269. The reversal of 15369891242 is 24219896351.

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 7 ways as a sum of consecutive naturals, for example, 216848 + ... + 278859.

It is an arithmetic number, because the mean of its divisors is an integer number (1483406190).

Almost surely, 215369891242 is an apocalyptic number.

15369891242 is a deficient number, since it is larger than the sum of its proper divisors (8364607798).

15369891242 is a wasteful number, since it uses less digits than its factorization.

15369891242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496165.

The product of its digits is 933120, while the sum is 50.

The spelling of 15369891242 in words is "fifteen billion, three hundred sixty-nine million, eight hundred ninety-one thousand, two hundred forty-two".

Divisors: 1 2 37 74 419 838 15503 31006 495707 991414 18341159 36682318 207701233 415402466 7684945621 15369891242