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149101611 = 31789107307
BaseRepresentation
bin10001110001100…
…01110000101011
3101101120010221220
420320301300223
5301132222421
622443433123
73460225401
oct1070616053
9341503856
10149101611
117718927a
1241b257a3
1324b76009
1415b33471
15d1533c6
hex8e31c2b

149101611 has 32 divisors (see below), whose sum is σ = 215550720. Its totient is φ = 91339776.

The previous prime is 149101567. The next prime is 149101613. The reversal of 149101611 is 116101941.

It is not a de Polignac number, because 149101611 - 27 = 149101483 is a prime.

It is not an unprimeable number, because it can be changed into a prime (149101613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 485520 + ... + 485826.

It is an arithmetic number, because the mean of its divisors is an integer number (6735960).

Almost surely, 2149101611 is an apocalyptic number.

149101611 is a deficient number, since it is larger than the sum of its proper divisors (66449109).

149101611 is a wasteful number, since it uses less digits than its factorization.

149101611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523.

The product of its (nonzero) digits is 216, while the sum is 24.

The square root of 149101611 is about 12210.7170551119. The cubic root of 149101611 is about 530.2664033910.

The spelling of 149101611 in words is "one hundred forty-nine million, one hundred one thousand, six hundred eleven".

Divisors: 1 3 17 51 89 107 267 307 321 921 1513 1819 4539 5219 5457 9523 15657 27323 28569 32849 81969 98547 161891 464491 485673 558433 1393473 1675299 2923561 8770683 49700537 149101611