Search a number
-
+
2159629320 = 2335374779131
BaseRepresentation
bin1000000010111001…
…0101010000001000
312120111201112111010
42000232111100020
513410331114240
6554144203520
7104342355252
oct20056252010
95514645433
102159629320
11a09066522
125033095a0
13285568194
14166b6ccd2
15c98e5280
hex80b95408

2159629320 has 256 divisors, whose sum is σ = 6934118400. Its totient is φ = 537338880.

The previous prime is 2159629309. The next prime is 2159629337. The reversal of 2159629320 is 239269512.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 16485655 + ... + 16485785.

It is an arithmetic number, because the mean of its divisors is an integer number (27086400).

Almost surely, 22159629320 is an apocalyptic number.

2159629320 is a gapful number since it is divisible by the number (20) 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 2159629320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3467059200).

2159629320 is an abundant number, since it is smaller than the sum of its proper divisors (4774489080).

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

2159629320 is a wasteful number, since it uses less digits than its factorization.

2159629320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308 (or 304 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 39.

The square root of 2159629320 is about 46471.8121015310. The cubic root of 2159629320 is about 1292.5868648026.

The spelling of 2159629320 in words is "two billion, one hundred fifty-nine million, six hundred twenty-nine thousand, three hundred twenty".