Search a number
-
+
32740624872 = 2333557272131
BaseRepresentation
bin11110011111011111…
…100100100111101000
310010111202021001221000
4132133133210213220
51014023044443442
623012453115000
72236225501554
oct363737444750
9103452231830
1032740624872
111298125806a
126418928a60
13311a103917
141828414864
15cb9535d4c
hex79f7e49e8

32740624872 has 64 divisors (see below), whose sum is σ = 91109793600. Its totient is φ = 10893908160.

The previous prime is 32740624843. The next prime is 32740624879. The reversal of 32740624872 is 27842604723.

It is not an unprimeable number, because it can be changed into a prime (32740624879) 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, 15754 + ... + 256377.

It is an arithmetic number, because the mean of its divisors is an integer number (1423590525).

Almost surely, 232740624872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32740624872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45554896800).

32740624872 is an abundant number, since it is smaller than the sum of its proper divisors (58369168728).

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

32740624872 is a wasteful number, since it uses less digits than its factorization.

32740624872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272703 (or 272693 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 45.

The spelling of 32740624872 in words is "thirty-two billion, seven hundred forty million, six hundred twenty-four thousand, eight hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 72 108 216 557 1114 1671 2228 3342 4456 5013 6684 10026 13368 15039 20052 30078 40104 60156 120312 272131 544262 816393 1088524 1632786 2177048 2449179 3265572 4898358 6531144 7347537 9796716 14695074 19593432 29390148 58780296 151576967 303153934 454730901 606307868 909461802 1212615736 1364192703 1818923604 2728385406 3637847208 4092578109 5456770812 8185156218 10913541624 16370312436 32740624872