Search a number
-
+
15745874316 = 2231312156193
BaseRepresentation
bin11101010101000011…
…01111100110001100
31111122100122021220020
432222201233212030
5224221420434231
611122240422140
71065124503054
oct165241574614
944570567806
1015745874316
116750154477
123075317950
13163c22a9c3
14a95300564
15622549396
hex3aa86f98c

15745874316 has 12 divisors (see below), whose sum is σ = 36740373432. Its totient is φ = 5248624768.

The previous prime is 15745874273. The next prime is 15745874321. The reversal of 15745874316 is 61347854751.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 656078085 + ... + 656078108.

It is an arithmetic number, because the mean of its divisors is an integer number (3061697786).

Almost surely, 215745874316 is an apocalyptic number.

It is an amenable number.

15745874316 is an abundant number, since it is smaller than the sum of its proper divisors (20994499116).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15745874316 is a wasteful number, since it uses less digits than its factorization.

15745874316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1312156200 (or 1312156198 counting only the distinct ones).

The product of its digits is 2822400, while the sum is 51.

The spelling of 15745874316 in words is "fifteen billion, seven hundred forty-five million, eight hundred seventy-four thousand, three hundred sixteen".

Divisors: 1 2 3 4 6 12 1312156193 2624312386 3936468579 5248624772 7872937158 15745874316