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30420234002 = 215210117001
BaseRepresentation
bin11100010101001011…
…111110111100010010
32220112001001000001102
4130111023332330102
5444300034442002
621550323104402
72124561502604
oct342513767422
986461030042
1030420234002
11119a047a064
125a8b812102
132b3a46c482
141688199174
15bd0987a02
hex7152fef12

30420234002 has 4 divisors (see below), whose sum is σ = 45630351006. Its totient is φ = 15210117000.

The previous prime is 30420233989. The next prime is 30420234011. The reversal of 30420234002 is 20043202403.

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

It can be written as a sum of positive squares in only one way, i.e., 28193432281 + 2226801721 = 167909^2 + 47189^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7605058499 + ... + 7605058502.

Almost surely, 230420234002 is an apocalyptic number.

30420234002 is a deficient number, since it is larger than the sum of its proper divisors (15210117004).

30420234002 is a wasteful number, since it uses less digits than its factorization.

30420234002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15210117003.

The product of its (nonzero) digits is 1152, while the sum is 20.

Adding to 30420234002 its reverse (20043202403), we get a palindrome (50463436405).

The spelling of 30420234002 in words is "thirty billion, four hundred twenty million, two hundred thirty-four thousand, two".

Divisors: 1 2 15210117001 30420234002