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3149181359 = 13922655981
BaseRepresentation
bin1011101110110100…
…1011000110101111
322010110201222200122
42323231023012233
522422142300414
61240253515155
7141016412522
oct27355130657
98113658618
103149181359
1113766a3625
1273a7a2abb
133b258792c
1421c35abb9
15136710b8e
hexbbb4b1af

3149181359 has 4 divisors (see below), whose sum is σ = 3171837480. Its totient is φ = 3126525240.

The previous prime is 3149181323. The next prime is 3149181361. The reversal of 3149181359 is 9531819413.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9531819413 = 23414426931.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3149181359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3149181389) 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, 11327852 + ... + 11328129.

It is an arithmetic number, because the mean of its divisors is an integer number (792959370).

Almost surely, 23149181359 is an apocalyptic number.

3149181359 is a deficient number, since it is larger than the sum of its proper divisors (22656121).

3149181359 is a wasteful number, since it uses less digits than its factorization.

3149181359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22656120.

The product of its digits is 116640, while the sum is 44.

The square root of 3149181359 is about 56117.5672940301. The cubic root of 3149181359 is about 1465.7702091396.

The spelling of 3149181359 in words is "three billion, one hundred forty-nine million, one hundred eighty-one thousand, three hundred fifty-nine".

Divisors: 1 139 22655981 3149181359