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30111220110 = 2356771482581
BaseRepresentation
bin11100000010110001…
…001100000110001110
32212201111120110200110
4130002301030012032
5443131433020420
621455523540450
72114120101506
oct340261140616
985644513613
1030111220110
1111851aa9384
125a0422a726
132abb43690a
14165911aa06
15bb3797ee0
hex702c4c18e

30111220110 has 32 divisors (see below), whose sum is σ = 72373722912. Its totient is φ = 8017792640.

The previous prime is 30111220103. The next prime is 30111220147. The reversal of 30111220110 is 1102211103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 720981 + ... + 761600.

It is an arithmetic number, because the mean of its divisors is an integer number (2261678841).

Almost surely, 230111220110 is an apocalyptic number.

30111220110 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30111220110 is an abundant number, since it is smaller than the sum of its proper divisors (42262502802).

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

30111220110 is a wasteful number, since it uses less digits than its factorization.

30111220110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1483268.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 30111220110 its reverse (1102211103), we get a palindrome (31213431213).

The spelling of 30111220110 in words is "thirty billion, one hundred eleven million, two hundred twenty thousand, one hundred ten".

Divisors: 1 2 3 5 6 10 15 30 677 1354 2031 3385 4062 6770 10155 20310 1482581 2965162 4447743 7412905 8895486 14825810 22238715 44477430 1003707337 2007414674 3011122011 5018536685 6022244022 10037073370 15055610055 30111220110