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3149045919 = 324711365881
BaseRepresentation
bin1011101110110010…
…1010000010011111
322010110111002220100
42323230222002133
522422123432134
61240250552143
7141015306615
oct27354520237
98113432810
103149045919
111376610898
1273a738653
133b253b0a6
1421c3236b5
151366d5999
hexbbb2a09f

3149045919 has 24 divisors (see below), whose sum is σ = 4686581952. Its totient is φ = 2036482560.

The previous prime is 3149045917. The next prime is 3149045941. The reversal of 3149045919 is 9195409413.

3149045919 is a `hidden beast` number, since 31 + 490 + 45 + 91 + 9 = 666.

It is not a de Polignac number, because 3149045919 - 21 = 3149045917 is a prime.

It is a super-4 number, since 4×31490459194 (a number of 39 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3149045917) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14859 + ... + 80739.

It is an arithmetic number, because the mean of its divisors is an integer number (195274248).

Almost surely, 23149045919 is an apocalyptic number.

3149045919 is a deficient number, since it is larger than the sum of its proper divisors (1537536033).

3149045919 is a wasteful number, since it uses less digits than its factorization.

3149045919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66047 (or 66044 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 45.

The square root of 3149045919 is about 56116.3605288155. The cubic root of 3149045919 is about 1465.7491955554.

The spelling of 3149045919 in words is "three billion, one hundred forty-nine million, forty-five thousand, nine hundred nineteen".

Divisors: 1 3 9 47 113 141 339 423 1017 5311 15933 47799 65881 197643 592929 3096407 7444553 9289221 22333659 27867663 67000977 349893991 1049681973 3149045919