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2961399912 = 233971272079
BaseRepresentation
bin1011000010000011…
…0110000001101000
321122101101200222020
42300200312001220
522031104244122
61205505024440
7133246324662
oct26040660150
97571350866
102961399912
11128a6a6649
126a7925120
133826bac53
14201439532
15124ebbc5c
hexb0836068

2961399912 has 32 divisors (see below), whose sum is σ = 7479830400. Its totient is φ = 976955904.

The previous prime is 2961399887. The next prime is 2961399953. The reversal of 2961399912 is 2199931692.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 633712 + ... + 638367.

It is an arithmetic number, because the mean of its divisors is an integer number (233744700).

Almost surely, 22961399912 is an apocalyptic number.

It is an amenable number.

2961399912 is an abundant number, since it is smaller than the sum of its proper divisors (4518430488).

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

2961399912 is a wasteful number, since it uses less digits than its factorization.

2961399912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1272185 (or 1272181 counting only the distinct ones).

The product of its digits is 472392, while the sum is 51.

The square root of 2961399912 is about 54418.7459612954. The cubic root of 2961399912 is about 1436.0371870890.

The spelling of 2961399912 in words is "two billion, nine hundred sixty-one million, three hundred ninety-nine thousand, nine hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 97 194 291 388 582 776 1164 2328 1272079 2544158 3816237 5088316 7632474 10176632 15264948 30529896 123391663 246783326 370174989 493566652 740349978 987133304 1480699956 2961399912