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100013149 is a prime number
BaseRepresentation
bin1011111011000…
…01010001011101
320222012012020201
411331201101131
5201100410044
613531343501
72323045345
oct575412135
9228165221
10100013149
11515003a5
12295b1b91
13179497a2
14d3d5d25
158ba87d4
hex5f6145d

100013149 has 2 divisors, whose sum is σ = 100013150. Its totient is φ = 100013148.

The previous prime is 100013143. The next prime is 100013167. The reversal of 100013149 is 941310001.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50310649 + 49702500 = 7093^2 + 7050^2 .

It is a cyclic number.

It is not a de Polignac number, because 100013149 - 27 = 100013021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100013143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50006574 + 50006575.

It is an arithmetic number, because the mean of its divisors is an integer number (50006575).

Almost surely, 2100013149 is an apocalyptic number.

It is an amenable number.

100013149 is a deficient number, since it is larger than the sum of its proper divisors (1).

100013149 is an equidigital number, since it uses as much as digits as its factorization.

100013149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 100013149 is about 10000.6574283894. The cubic root of 100013149 is about 464.1792265535.

The spelling of 100013149 in words is "one hundred million, thirteen thousand, one hundred forty-nine".