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30112100122 = 21382310191381
BaseRepresentation
bin11100000010110100…
…100010111100011010
32212201120020011211111
4130002310202330122
5443132144200442
621455554450534
72114130425236
oct340264427432
985646204744
1030112100122
111185254a565
125a04593a4a
132abb684330
1416592a95c6
15bb38bdb17
hex702d22f1a

30112100122 has 32 divisors (see below), whose sum is σ = 48784821120. Its totient is φ = 13857341760.

The previous prime is 30112100101. The next prime is 30112100129. The reversal of 30112100122 is 22100121103.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (30112100129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21803872 + ... + 21805252.

It is an arithmetic number, because the mean of its divisors is an integer number (1524525660).

Almost surely, 230112100122 is an apocalyptic number.

30112100122 is a deficient number, since it is larger than the sum of its proper divisors (18672720998).

30112100122 is a wasteful number, since it uses less digits than its factorization.

30112100122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3238.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 30112100122 its reverse (22100121103), we get a palindrome (52212221225).

The spelling of 30112100122 in words is "thirty billion, one hundred twelve million, one hundred thousand, one hundred twenty-two".

Divisors: 1 2 13 26 823 1019 1381 1646 2038 2762 10699 13247 17953 21398 26494 35906 838637 1136563 1407239 1677274 2273126 2814478 10902281 14775319 18294107 21804562 29550638 36588214 1158157697 2316315394 15056050061 30112100122