Search a number
-
+
156531760042000 = 2453729675779973
BaseRepresentation
bin100011100101110101100011…
…111101000001000000010000
3202112020021211111100100200011
4203211311203331001000100
5131004104021032321000
61312525410422204304
744654021636065660
oct4345654375010020
9675207744310604
10156531760042000
114596a823850802
1215680aa1883694
136945b5cc4b225
142a9226b50c1a0
151316b3c3d82ba
hex8e5d63f41010

156531760042000 has 640 divisors, whose sum is σ = 454991882941440. Its totient is φ = 50950442188800.

The previous prime is 156531760041983. The next prime is 156531760042013. The reversal of 156531760042000 is 240067135651.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 15695549014 + ... + 15695558986.

It is an arithmetic number, because the mean of its divisors is an integer number (710924817096).

Almost surely, 2156531760042000 is an apocalyptic number.

156531760042000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 156531760042000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (227495941470720).

156531760042000 is an abundant number, since it is smaller than the sum of its proper divisors (298460122899440).

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

156531760042000 is a wasteful number, since it uses less digits than its factorization.

156531760042000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10676 (or 10660 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 40.

The spelling of 156531760042000 in words is "one hundred fifty-six trillion, five hundred thirty-one billion, seven hundred sixty million, forty-two thousand".