Search a number
-
+
2381017390 = 25977243707
BaseRepresentation
bin1000110111101011…
…0111000100101110
320010221022012211021
42031322313010232
514334020024030
61032133244354
7113001212443
oct21572670456
96127265737
102381017390
111012027674
125654936ba
132bc3a063b
1418831b9ca
15de07697a
hex8deb712e

2381017390 has 16 divisors (see below), whose sum is σ = 4290235632. Its totient is φ = 951428224.

The previous prime is 2381017381. The next prime is 2381017409. The reversal of 2381017390 is 937101832.

It is a super-2 number, since 2×23810173902 = 11338487622964824200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112084 + ... + 131623.

It is an arithmetic number, because the mean of its divisors is an integer number (268139727).

Almost surely, 22381017390 is an apocalyptic number.

2381017390 is a deficient number, since it is larger than the sum of its proper divisors (1909218242).

2381017390 is a wasteful number, since it uses less digits than its factorization.

2381017390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244691.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 2381017390 is about 48795.6697873899. The cubic root of 2381017390 is about 1335.3266679915.

The spelling of 2381017390 in words is "two billion, three hundred eighty-one million, seventeen thousand, three hundred ninety".

Divisors: 1 2 5 10 977 1954 4885 9770 243707 487414 1218535 2437070 238101739 476203478 1190508695 2381017390