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30423472526 = 215211736263
BaseRepresentation
bin11100010101011000…
…010101100110001110
32220112021010112110202
4130111120111212032
5444301402110101
621550520333502
72124631151426
oct342530254616
986467115422
1030423472526
11119a2291227
125a90914292
132b3b034565
14168879d486
15bd0dc736b
hex71561598e

30423472526 has 4 divisors (see below), whose sum is σ = 45635208792. Its totient is φ = 15211736262.

The previous prime is 30423472489. The next prime is 30423472529. The reversal of 30423472526 is 62527432403.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 62527432403 = 173678084259.

It is a self number, because there is not a number n which added to its sum of digits gives 30423472526.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30423472529) 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 as a sum of consecutive naturals, namely, 7605868130 + ... + 7605868133.

It is an arithmetic number, because the mean of its divisors is an integer number (11408802198).

Almost surely, 230423472526 is an apocalyptic number.

30423472526 is a deficient number, since it is larger than the sum of its proper divisors (15211736266).

30423472526 is a wasteful number, since it uses less digits than its factorization.

30423472526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15211736265.

The product of its (nonzero) digits is 241920, while the sum is 38.

The spelling of 30423472526 in words is "thirty billion, four hundred twenty-three million, four hundred seventy-two thousand, five hundred twenty-six".

Divisors: 1 2 15211736263 30423472526