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30690304989907 = 47964071617933
BaseRepresentation
bin1101111101001101001001…
…01110100001101011010011
311000122222001010022121121011
412332212210232201223103
513010312221034134112
6145134533110511351
76315205240112203
oct676464456415323
9130588033277534
1030690304989907
11986275a088112
123537ba1065557
131418111145b14
147815c0c40403
153834d2b6aaa7
hex1be9a4ba1ad3

30690304989907 has 4 divisors (see below), whose sum is σ = 30754376608320. Its totient is φ = 30626233371496.

The previous prime is 30690304989901. The next prime is 30690304989923. The reversal of 30690304989907 is 70998940309603.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30690304989907 - 27 = 30690304989779 is a prime.

It is a Smith number, since the sum of its digits (67) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30690304989901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32035808488 + ... + 32035809445.

It is an arithmetic number, because the mean of its divisors is an integer number (7688594152080).

Almost surely, 230690304989907 is an apocalyptic number.

30690304989907 is a deficient number, since it is larger than the sum of its proper divisors (64071618413).

30690304989907 is an equidigital number, since it uses as much as digits as its factorization.

30690304989907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64071618412.

The product of its (nonzero) digits is 79361856, while the sum is 67.

The spelling of 30690304989907 in words is "thirty trillion, six hundred ninety billion, three hundred four million, nine hundred eighty-nine thousand, nine hundred seven".

Divisors: 1 479 64071617933 30690304989907