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150131299 = 413661739
BaseRepresentation
bin10001111001011…
…01001001100011
3101110111110102111
420330231021203
5301413200144
622521500151
73502044403
oct1074551143
9343443374
10150131299
117782195a
1242341657
13251468b6
1415d20803
15d2a8534
hex8f2d263

150131299 has 4 divisors (see below), whose sum is σ = 153793080. Its totient is φ = 146469520.

The previous prime is 150131291. The next prime is 150131329. The reversal of 150131299 is 992131051.

It is a happy number.

150131299 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 992131051 = 1254179111.

It is a cyclic number.

It is not a de Polignac number, because 150131299 - 23 = 150131291 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 150131299.

It is not an unprimeable number, because it can be changed into a prime (150131291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1830829 + ... + 1830910.

It is an arithmetic number, because the mean of its divisors is an integer number (38448270).

Almost surely, 2150131299 is an apocalyptic number.

150131299 is a deficient number, since it is larger than the sum of its proper divisors (3661781).

150131299 is an equidigital number, since it uses as much as digits as its factorization.

150131299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3661780.

The product of its (nonzero) digits is 2430, while the sum is 31.

The square root of 150131299 is about 12252.8078006635. The cubic root of 150131299 is about 531.4842682768.

The spelling of 150131299 in words is "one hundred fifty million, one hundred thirty-one thousand, two hundred ninety-nine".

Divisors: 1 41 3661739 150131299