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30742190029 = 233711315399
BaseRepresentation
bin11100101000011000…
…001001011111001101
32221100110212001200201
4130220120021133031
51000430000040104
622042303453501
72135551206115
oct345030113715
987313761621
1030742190029
111204618a421
125b5b5b7291
132b8c086ab5
1416b8c46045
15bedd820a4
hex7286097cd

30742190029 has 4 divisors (see below), whose sum is σ = 30743528800. Its totient is φ = 30740851260.

The previous prime is 30742189991. The next prime is 30742190041. The reversal of 30742190029 is 92009124703.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30742190029 - 219 = 30741665741 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30742190029.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30742193029) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 634329 + ... + 681070.

It is an arithmetic number, because the mean of its divisors is an integer number (7685882200).

Almost surely, 230742190029 is an apocalyptic number.

It is an amenable number.

30742190029 is a deficient number, since it is larger than the sum of its proper divisors (1338771).

30742190029 is a wasteful number, since it uses less digits than its factorization.

30742190029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1338770.

The product of its (nonzero) digits is 27216, while the sum is 37.

The spelling of 30742190029 in words is "thirty billion, seven hundred forty-two million, one hundred ninety thousand, twenty-nine".

Divisors: 1 23371 1315399 30742190029