Search a number
-
+
1061013149 = 7151573307
BaseRepresentation
bin111111001111011…
…100011010011101
32201221111001102022
4333033130122131
54133104410044
6253141105525
735202314540
oct7717343235
92657431368
101061013149
114a4a06979
122573b82a5
1313ba80341
14a0cb0857
15632343ee
hex3f3dc69d

1061013149 has 4 divisors (see below), whose sum is σ = 1212586464. Its totient is φ = 909439836.

The previous prime is 1061013133. The next prime is 1061013179. The reversal of 1061013149 is 9413101601.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1061013149 - 24 = 1061013133 is a prime.

It is a super-2 number, since 2×10610131492 = 2251497804701792402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1061013179) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75786647 + ... + 75786660.

It is an arithmetic number, because the mean of its divisors is an integer number (303146616).

Almost surely, 21061013149 is an apocalyptic number.

It is an amenable number.

1061013149 is a deficient number, since it is larger than the sum of its proper divisors (151573315).

1061013149 is an equidigital number, since it uses as much as digits as its factorization.

1061013149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151573314.

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 1061013149 is about 32573.1967881570. The cubic root of 1061013149 is about 1019.9375679460.

The spelling of 1061013149 in words is "one billion, sixty-one million, thirteen thousand, one hundred forty-nine".

Divisors: 1 7 151573307 1061013149