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2057720112 = 2435731543
BaseRepresentation
bin111101010100110…
…0101000100110000
312022101222000100000
41322221211010300
513203234020422
6540104030000
7101664222000
oct17251450460
95271860300
102057720112
11966590638
12495162300
1326a406686
14157402000
15c09b4cac
hex7aa65130

2057720112 has 240 divisors, whose sum is σ = 6968998400. Its totient is φ = 587539008.

The previous prime is 2057720107. The next prime is 2057720129. The reversal of 2057720112 is 2110277502.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1332813 + ... + 1334355.

Almost surely, 22057720112 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 2057720112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3484499200).

2057720112 is an abundant number, since it is smaller than the sum of its proper divisors (4911278288).

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

2057720112 is an equidigital number, since it uses as much as digits as its factorization.

2057720112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1587 (or 1555 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 27.

The square root of 2057720112 is about 45362.0999513911. The cubic root of 2057720112 is about 1271.9267490748.

Adding to 2057720112 its reverse (2110277502), we get a palindrome (4167997614).

The spelling of 2057720112 in words is "two billion, fifty-seven million, seven hundred twenty thousand, one hundred twelve".