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30142123303 = 110328979433
BaseRepresentation
bin11100000100100111…
…000100110100100111
32212210122201111220011
4130010213010310213
5443212340421203
621502550151051
72114643551335
oct340447046447
985718644804
1030142123303
1111868496406
125a12652487
132ac4966a26
14165d282b55
15bb634e76d
hex7049c4d27

30142123303 has 8 divisors (see below), whose sum is σ = 30183064128. Its totient is φ = 30101209344.

The previous prime is 30142123289. The next prime is 30142123357. The reversal of 30142123303 is 30332124103.

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

It is a cyclic number.

It is not a de Polignac number, because 30142123303 - 225 = 30108568871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30142123103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3190675 + ... + 3200107.

It is an arithmetic number, because the mean of its divisors is an integer number (3772883016).

Almost surely, 230142123303 is an apocalyptic number.

30142123303 is a deficient number, since it is larger than the sum of its proper divisors (40940825).

30142123303 is a wasteful number, since it uses less digits than its factorization.

30142123303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13433.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 30142123303 its reverse (30332124103), we get a palindrome (60474247406).

The spelling of 30142123303 in words is "thirty billion, one hundred forty-two million, one hundred twenty-three thousand, three hundred three".

Divisors: 1 1103 2897 9433 3195391 10404599 27327401 30142123303