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30230021218 = 241968352817
BaseRepresentation
bin11100001001110110…
…011000010001100010
32220000210010012011111
4130021312120101202
5443402341134333
621515410133534
72120061640435
oct341166302142
986023105144
1030230021218
1111903071411
125a37b812aa
132b09c30c27
14166ac0381c
15bbde134cd
hex709d98462

30230021218 has 16 divisors (see below), whose sum is σ = 45520665120. Its totient is φ = 15056574016.

The previous prime is 30230021203. The next prime is 30230021221. The reversal of 30230021218 is 81212003203.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 545946 + ... + 598762.

It is an arithmetic number, because the mean of its divisors is an integer number (2845041570).

Almost surely, 230230021218 is an apocalyptic number.

30230021218 is a deficient number, since it is larger than the sum of its proper divisors (15290643902).

30230021218 is a wasteful number, since it uses less digits than its factorization.

30230021218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53921.

The product of its (nonzero) digits is 576, while the sum is 22.

The spelling of 30230021218 in words is "thirty billion, two hundred thirty million, twenty-one thousand, two hundred eighteen".

Divisors: 1 2 419 683 838 1366 52817 105634 286177 572354 22130323 36074011 44260646 72148022 15115010609 30230021218