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149911011 = 3221137883
BaseRepresentation
bin10001110111101…
…11010111100011
3101110002021020200
420323313113203
5301334123021
622513040243
73500136225
oct1073672743
9343067220
10149911011
11776913a8
1242256083
132509a553
1415ca4415
15d263126
hex8ef75e3

149911011 has 12 divisors (see below), whose sum is σ = 216668088. Its totient is φ = 99880704.

The previous prime is 149911001. The next prime is 149911039. The reversal of 149911011 is 110119941.

It is not a de Polignac number, because 149911011 - 210 = 149909987 is a prime.

It is a super-2 number, since 2×1499110112 = 44946622438084242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (149911001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15076 + ... + 22958.

It is an arithmetic number, because the mean of its divisors is an integer number (18055674).

Almost surely, 2149911011 is an apocalyptic number.

149911011 is a deficient number, since it is larger than the sum of its proper divisors (66757077).

149911011 is a wasteful number, since it uses less digits than its factorization.

149911011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10002 (or 9999 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 27.

The square root of 149911011 is about 12243.8152142214. The cubic root of 149911011 is about 531.2241916690.

The spelling of 149911011 in words is "one hundred forty-nine million, nine hundred eleven thousand, eleven".

Divisors: 1 3 9 2113 6339 7883 19017 23649 70947 16656779 49970337 149911011