Search a number
-
+
139472912330 = 2529480941077
BaseRepresentation
bin1000000111100100111…
…0111011111111001010
3111100000002220001101122
42001321032323333022
54241120031143310
6144023432315242
713035161123363
oct2017116737712
9440002801348
10139472912330
11541719063a4
1223045242b22
13101c96146bb
146a71624b6a
153964807555
hex20793bbfca

139472912330 has 16 divisors (see below), whose sum is σ = 259708182120. Its totient is φ = 53865400512.

The previous prime is 139472912297. The next prime is 139472912339. The reversal of 139472912330 is 33219274931.

It can be written as a sum of positive squares in 4 ways, for example, as 133863052129 + 5609860201 = 365873^2 + 74899^2 .

It is not an unprimeable number, because it can be changed into a prime (139472912339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240470249 + ... + 240470828.

Almost surely, 2139472912330 is an apocalyptic number.

139472912330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

139472912330 is a deficient number, since it is larger than the sum of its proper divisors (120235269790).

139472912330 is a wasteful number, since it uses less digits than its factorization.

139472912330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480941113.

The product of its (nonzero) digits is 244944, while the sum is 44.

The spelling of 139472912330 in words is "one hundred thirty-nine billion, four hundred seventy-two million, nine hundred twelve thousand, three hundred thirty".

Divisors: 1 2 5 10 29 58 145 290 480941077 961882154 2404705385 4809410770 13947291233 27894582466 69736456165 139472912330