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30045274256 = 2419234297093
BaseRepresentation
bin11011111110110101…
…101000000010010000
32212112220111001222102
4123332311220002100
5443013042234011
621445210255532
72112356421524
oct337665500220
985486431872
1030045274256
1111818857278
1259a61275a8
132aaa8874ba
141650471d84
15bacabd73b
hex6fed68090

30045274256 has 40 divisors (see below), whose sum is σ = 63940758720. Its totient is φ = 13613187456.

The previous prime is 30045274223. The next prime is 30045274261. The reversal of 30045274256 is 65247254003.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2141555 + ... + 2155538.

It is an arithmetic number, because the mean of its divisors is an integer number (1598518968).

Almost surely, 230045274256 is an apocalyptic number.

It is an amenable number.

30045274256 is an abundant number, since it is smaller than the sum of its proper divisors (33895484464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30045274256 is a wasteful number, since it uses less digits than its factorization.

30045274256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4297143 (or 4297137 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 38.

The spelling of 30045274256 in words is "thirty billion, forty-five million, two hundred seventy-four thousand, two hundred fifty-six".

Divisors: 1 2 4 8 16 19 23 38 46 76 92 152 184 304 368 437 874 1748 3496 6992 4297093 8594186 17188372 34376744 68753488 81644767 98833139 163289534 197666278 326579068 395332556 653158136 790665112 1306316272 1581330224 1877829641 3755659282 7511318564 15022637128 30045274256