Search a number
-
+
388160370242 = 2194080185121
BaseRepresentation
bin1011010011000000010…
…10010011011001000010
31101002220120012212020222
411221200022103121002
522324423023321432
6454152435503042
740020655465001
oct5514012233102
91332816185228
10388160370242
1113a688456317
126328a157a82
132a7ac796968
1414b039acc38
15a16c2a5112
hex5a60293642

388160370242 has 4 divisors (see below), whose sum is σ = 582240555366. Its totient is φ = 194080185120.

The previous prime is 388160370233. The next prime is 388160370281. The reversal of 388160370242 is 242073061883.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 256209081241 + 131951289001 = 506171^2 + 363251^2 .

It is a junction number, because it is equal to n+sod(n) for n = 388160370193 and 388160370202.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97040092559 + ... + 97040092562.

Almost surely, 2388160370242 is an apocalyptic number.

388160370242 is a deficient number, since it is larger than the sum of its proper divisors (194080185124).

388160370242 is a wasteful number, since it uses less digits than its factorization.

388160370242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194080185123.

The product of its (nonzero) digits is 387072, while the sum is 44.

The spelling of 388160370242 in words is "three hundred eighty-eight billion, one hundred sixty million, three hundred seventy thousand, two hundred forty-two".

Divisors: 1 2 194080185121 388160370242