Search a number
-
+
30368688754 = 21131231109159
BaseRepresentation
bin11100010010000111…
…010110101001110010
32220101110001020021011
4130102013112221302
5444143341020004
621541242221134
72123364411115
oct342207265162
986343036234
1030368688754
1111974373388
125a764b47aa
132b2c892921
1416813bc57c
15bcb1a5004
hex7121d6a72

30368688754 has 16 divisors (see below), whose sum is σ = 45993911040. Its totient is φ = 15037606080.

The previous prime is 30368688743. The next prime is 30368688799. The reversal of 30368688754 is 45788686303.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 223627 + ... + 332785.

It is an arithmetic number, because the mean of its divisors is an integer number (2874619440).

Almost surely, 230368688754 is an apocalyptic number.

30368688754 is a deficient number, since it is larger than the sum of its proper divisors (15625222286).

30368688754 is a wasteful number, since it uses less digits than its factorization.

30368688754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110505.

The product of its (nonzero) digits is 23224320, while the sum is 58.

The spelling of 30368688754 in words is "thirty billion, three hundred sixty-eight million, six hundred eighty-eight thousand, seven hundred fifty-four".

Divisors: 1 2 113 226 1231 2462 109159 139103 218318 278206 12334967 24669934 134374729 268749458 15184344377 30368688754