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150388131 = 31311392753
BaseRepresentation
bin10001111011010…
…11110110100011
3101110222111201210
420331223312203
5301444410011
622531201203
73504164235
oct1075536643
9343874653
10150388131
1177987913
1242446203
132520677a
1415d8a255
15d3096a6
hex8f6bda3

150388131 has 16 divisors (see below), whose sum is σ = 203575680. Its totient is φ = 98741760.

The previous prime is 150388129. The next prime is 150388141. The reversal of 150388131 is 131883051.

It is not a de Polignac number, because 150388131 - 21 = 150388129 is a prime.

It is a super-2 number, since 2×1503881312 = 45233179891346322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (150388111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53251 + ... + 56003.

It is an arithmetic number, because the mean of its divisors is an integer number (12723480).

Almost surely, 2150388131 is an apocalyptic number.

150388131 is a deficient number, since it is larger than the sum of its proper divisors (53187549).

150388131 is a wasteful number, since it uses less digits than its factorization.

150388131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3026.

The product of its (nonzero) digits is 2880, while the sum is 30.

The square root of 150388131 is about 12263.2838587387. The cubic root of 150388131 is about 531.7871684795.

The spelling of 150388131 in words is "one hundred fifty million, three hundred eighty-eight thousand, one hundred thirty-one".

Divisors: 1 3 131 139 393 417 2753 8259 18209 54627 360643 382667 1081929 1148001 50129377 150388131