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3149448012 = 223287484667
BaseRepresentation
bin1011101110111000…
…1100001101001100
322010111020112110200
42323232030031030
522422224314022
61240303333500
7141021603114
oct27356141514
98114215420
103149448012
1113768659a7
1273a8b1290
133b264c109
1421c3ca044
15136764bac
hexbbb8c34c

3149448012 has 18 divisors (see below), whose sum is σ = 7961104788. Its totient is φ = 1049815992.

The previous prime is 3149447989. The next prime is 3149448013. The reversal of 3149448012 is 2108449413.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 87484667 = 3149448012 / (3 + 1 + 4 + 9 + 4 + 4 + 8 + 0 + 1 + 2).

It is not an unprimeable number, because it can be changed into a prime (3149448013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 43742298 + ... + 43742369.

Almost surely, 23149448012 is an apocalyptic number.

It is an amenable number.

3149448012 is an abundant number, since it is smaller than the sum of its proper divisors (4811656776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3149448012 is a wasteful number, since it uses less digits than its factorization.

3149448012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87484677 (or 87484672 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 3149448012 is about 56119.9430862149. The cubic root of 3149448012 is about 1465.8115787262.

The spelling of 3149448012 in words is "three billion, one hundred forty-nine million, four hundred forty-eight thousand, twelve".

Divisors: 1 2 3 4 6 9 12 18 36 87484667 174969334 262454001 349938668 524908002 787362003 1049816004 1574724006 3149448012