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30216370842 = 2337233475543
BaseRepresentation
bin11100001001000010…
…010011101010011010
32212222211102200101000
4130021002103222122
5443340342331332
621514201405430
72116534625430
oct341102235232
985884380330
1030216370842
11118a6398709
125a33499876
132b07161998
14166908cd50
15bbcb18b7c
hex709093a9a

30216370842 has 64 divisors (see below), whose sum is σ = 80076533760. Its totient is φ = 8257887792.

The previous prime is 30216370831. The next prime is 30216370879. The reversal of 30216370842 is 24807361203.

It is a happy number.

30216370842 is a `hidden beast` number, since 30 + 216 + 370 + 8 + 42 = 666.

It is a super-2 number, since 2×302163708422 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30216370797 and 30216370806.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1729078 + ... + 1746465.

It is an arithmetic number, because the mean of its divisors is an integer number (1251195840).

Almost surely, 230216370842 is an apocalyptic number.

30216370842 is an abundant number, since it is smaller than the sum of its proper divisors (49860162918).

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

30216370842 is a wasteful number, since it uses less digits than its factorization.

30216370842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3475584 (or 3475578 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The spelling of 30216370842 in words is "thirty billion, two hundred sixteen million, three hundred seventy thousand, eight hundred forty-two".

Divisors: 1 2 3 6 7 9 14 18 21 23 27 42 46 54 63 69 126 138 161 189 207 322 378 414 483 621 966 1242 1449 2898 4347 8694 3475543 6951086 10426629 20853258 24328801 31279887 48657602 62559774 72986403 79937489 93839661 145972806 159874978 187679322 218959209 239812467 437918418 479624934 559562423 656877627 719437401 1119124846 1313755254 1438874802 1678687269 2158312203 3357374538 4316624406 5036061807 10072123614 15108185421 30216370842