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30423710354 = 237411131221
BaseRepresentation
bin11100010101011001…
…001111101010010010
32220112021120121201012
4130111121033222102
5444301432212404
621550525410522
72124633162002
oct342531175222
986467517635
1030423710354
11119a2433984
125a90a09a42
132b3b0b889b
141688822002
15bd0e22a6e
hex71564fa92

30423710354 has 8 divisors (see below), whose sum is σ = 46868959308. Its totient is φ = 14800723920.

The previous prime is 30423710353. The next prime is 30423710393. The reversal of 30423710354 is 45301732403.

It can be written as a sum of positive squares in 2 ways, for example, as 27860617225 + 2563093129 = 166915^2 + 50627^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 30423710354.

It is not an unprimeable number, because it can be changed into a prime (30423710351) 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, 205565537 + ... + 205565684.

Almost surely, 230423710354 is an apocalyptic number.

30423710354 is a deficient number, since it is larger than the sum of its proper divisors (16445248954).

30423710354 is a wasteful number, since it uses less digits than its factorization.

30423710354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411131260.

The product of its (nonzero) digits is 30240, while the sum is 32.

The spelling of 30423710354 in words is "thirty billion, four hundred twenty-three million, seven hundred ten thousand, three hundred fifty-four".

Divisors: 1 2 37 74 411131221 822262442 15211855177 30423710354