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30102032320220 = 2257215014516573
BaseRepresentation
bin1101101100000101011001…
…11100011000011011011100
310221120201121101111122222002
412312002230330120123130
512421142430233221340
6144004403245541432
76224541264660440
oct666025474303334
9127521541448862
1030102032320220
119656222539443
123461b85874878
1313a47c0001123
14760d362ba820
1537305265c715
hex1b60acf186dc

30102032320220 has 24 divisors (see below), whose sum is σ = 72244877568864. Its totient is φ = 10320696795456.

The previous prime is 30102032320153. The next prime is 30102032320273. The reversal of 30102032320220 is 2202323020103.

It is a super-2 number, since 2×301020323202202 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 30102032320192 and 30102032320201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107507258147 + ... + 107507258426.

It is an arithmetic number, because the mean of its divisors is an integer number (3010203232036).

Almost surely, 230102032320220 is an apocalyptic number.

It is an amenable number.

30102032320220 is an abundant number, since it is smaller than the sum of its proper divisors (42142845248644).

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

30102032320220 is a wasteful number, since it uses less digits than its factorization.

30102032320220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215014516589 (or 215014516587 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 30102032320220 its reverse (2202323020103), we get a palindrome (32304355340323).

The spelling of 30102032320220 in words is "thirty trillion, one hundred two billion, thirty-two million, three hundred twenty thousand, two hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 215014516573 430029033146 860058066292 1075072582865 1505101616011 2150145165730 3010203232022 4300290331460 6020406464044 7525508080055 15051016160110 30102032320220