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30470621464 = 2316390725763
BaseRepresentation
bin11100011000001100…
…001100100100011000
32220122112211221122201
4130120030030210120
5444400434341324
621555323055544
72126043003043
oct343014144430
986575757581
1030470621464
1111a16964998
125aa46715b4
132b47a3203a
141690b53c5a
15bd50dc444
hex71830c918

30470621464 has 32 divisors (see below), whose sum is σ = 57548531520. Its totient is φ = 15124561056.

The previous prime is 30470621459. The next prime is 30470621471. The reversal of 30470621464 is 46412607403.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1169847 + ... + 1195609.

It is an arithmetic number, because the mean of its divisors is an integer number (1798391610).

Almost surely, 230470621464 is an apocalyptic number.

It is an amenable number.

30470621464 is a deficient number, since it is larger than the sum of its proper divisors (27077910056).

30470621464 is a wasteful number, since it uses less digits than its factorization.

30470621464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26839 (or 26835 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 37.

The spelling of 30470621464 in words is "thirty billion, four hundred seventy million, six hundred twenty-one thousand, four hundred sixty-four".

Divisors: 1 2 4 8 163 326 652 907 1304 1814 3628 7256 25763 51526 103052 147841 206104 295682 591364 1182728 4199369 8398738 16797476 23367041 33594952 46734082 93468164 186936328 3808827683 7617655366 15235310732 30470621464