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3145625994 = 237353921163
BaseRepresentation
bin1011101101111110…
…0111000110001010
322010020001100122110
42323133213012022
522420240012434
61240045403150
7140644244160
oct27337470612
98106040573
103145625994
111374695405
127395694b6
133b1911574
1421bab3230
1513625c4e9
hexbb7e718a

3145625994 has 32 divisors (see below), whose sum is σ = 7192373760. Its totient is φ = 898453872.

The previous prime is 3145625909. The next prime is 3145626037. The reversal of 3145625994 is 4995265413.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138057 + ... + 159219.

It is an arithmetic number, because the mean of its divisors is an integer number (224761680).

Almost surely, 23145625994 is an apocalyptic number.

3145625994 is an abundant number, since it is smaller than the sum of its proper divisors (4046747766).

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

3145625994 is a wasteful number, since it uses less digits than its factorization.

3145625994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24714.

The product of its digits is 1166400, while the sum is 48.

The square root of 3145625994 is about 56085.8805226413. The cubic root of 3145625994 is about 1465.2183926613.

The spelling of 3145625994 in words is "three billion, one hundred forty-five million, six hundred twenty-five thousand, nine hundred ninety-four".

Divisors: 1 2 3 6 7 14 21 42 3539 7078 10617 21163 21234 24773 42326 49546 63489 74319 126978 148141 148638 296282 444423 888846 74895857 149791714 224687571 449375142 524270999 1048541998 1572812997 3145625994