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150930871 = 71312011381
BaseRepresentation
bin10001111111100…
…00010110110111
3101112000002020021
420333300112313
5302114241441
622550550011
73511614460
oct1077602667
9345002207
10150930871
1178218663
1242668307
1325366810
141608bd67
15d3b53d1
hex8ff05b7

150930871 has 16 divisors (see below), whose sum is σ = 186050368. Its totient is φ = 119232000.

The previous prime is 150930869. The next prime is 150930887. The reversal of 150930871 is 178039051.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 150930871 - 21 = 150930869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150930821) 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, 108601 + ... + 109981.

It is an arithmetic number, because the mean of its divisors is an integer number (11628148).

Almost surely, 2150930871 is an apocalyptic number.

150930871 is a deficient number, since it is larger than the sum of its proper divisors (35119497).

150930871 is a wasteful number, since it uses less digits than its factorization.

150930871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2602.

The product of its (nonzero) digits is 7560, while the sum is 34.

The square root of 150930871 is about 12285.3925863197. The cubic root of 150930871 is about 532.4261277174.

The spelling of 150930871 in words is "one hundred fifty million, nine hundred thirty thousand, eight hundred seventy-one".

Divisors: 1 7 13 91 1201 1381 8407 9667 15613 17953 109291 125671 1658581 11610067 21561553 150930871