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30032109978 = 2313385027051
BaseRepresentation
bin11011111110000011…
…011010000110011010
32212111222201020222120
4123332003122012122
5443001210004403
621444020202110
72112136502643
oct337603320632
985458636876
1030032109978
1111811385802
1259a1839336
132aa7c285a0
14164c8066ca
15bab86ce53
hex6fe0da19a

30032109978 has 16 divisors (see below), whose sum is σ = 64684544736. Its totient is φ = 9240649200.

The previous prime is 30032109941. The next prime is 30032110007. The reversal of 30032109978 is 87990123003.

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 7 ways as a sum of consecutive naturals, for example, 192513448 + ... + 192513603.

It is an arithmetic number, because the mean of its divisors is an integer number (4042784046).

Almost surely, 230032109978 is an apocalyptic number.

30032109978 is an abundant number, since it is smaller than the sum of its proper divisors (34652434758).

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

30032109978 is a wasteful number, since it uses less digits than its factorization.

30032109978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385027069.

The product of its (nonzero) digits is 81648, while the sum is 42.

The spelling of 30032109978 in words is "thirty billion, thirty-two million, one hundred nine thousand, nine hundred seventy-eight".

Divisors: 1 2 3 6 13 26 39 78 385027051 770054102 1155081153 2310162306 5005351663 10010703326 15016054989 30032109978