Search a number
-
+
136994722260 = 2235111929449839
BaseRepresentation
bin111111110010110000…
…1011001000111010100
3111002121101201221201020
41333211201121013110
54221031122103020
6142533504201140
712616566632424
oct1774541310724
9432541657636
10136994722260
115310aa49530
12226733091b0
13cbc3080446
1468b8450484
15386be88c40
hex1fe58591d4

136994722260 has 384 divisors, whose sum is σ = 457228800000. Its totient is φ = 30274191360.

The previous prime is 136994722243. The next prime is 136994722283. The reversal of 136994722260 is 62227499631.

It is a congruent number.

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, 163282921 + ... + 163283759.

It is an arithmetic number, because the mean of its divisors is an integer number (1190700000).

Almost surely, 2136994722260 is an apocalyptic number.

136994722260 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 136994722260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (228614400000).

136994722260 is an abundant number, since it is smaller than the sum of its proper divisors (320234077740).

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

136994722260 is a wasteful number, since it uses less digits than its factorization.

136994722260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1359 (or 1357 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 51.

The spelling of 136994722260 in words is "one hundred thirty-six billion, nine hundred ninety-four million, seven hundred twenty-two thousand, two hundred sixty".