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2199387057 = 37295368141
BaseRepresentation
bin1000001100010111…
…1111101110110001
312200021112102211220
42003011333232301
514001020341212
61002124255253
7105334324110
oct20305775661
95607472756
102199387057
11a2955105a
125146a1529
1329087867a
1416c15bc77
15cd14a38c
hex8317fbb1

2199387057 has 32 divisors (see below), whose sum is σ = 3532481280. Its totient is φ = 1190542080.

The previous prime is 2199387049. The next prime is 2199387059. The reversal of 2199387057 is 7507839912.

It is not a de Polignac number, because 2199387057 - 23 = 2199387049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2199387059) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1794 + ... + 66347.

It is an arithmetic number, because the mean of its divisors is an integer number (110390040).

Almost surely, 22199387057 is an apocalyptic number.

It is an amenable number.

2199387057 is a deficient number, since it is larger than the sum of its proper divisors (1333094223).

2199387057 is a wasteful number, since it uses less digits than its factorization.

2199387057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68233.

The product of its (nonzero) digits is 952560, while the sum is 51.

The square root of 2199387057 is about 46897.6231487268. The cubic root of 2199387057 is about 1300.4706495075.

The spelling of 2199387057 in words is "two billion, one hundred ninety-nine million, three hundred eighty-seven thousand, fifty-seven".