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30102131022 = 2329336151473
BaseRepresentation
bin11100000010001110…
…100001000101001110
32212200212110200210120
4130002032201011032
5443122121143042
621455001045410
72113646614635
oct340216410516
985625420716
1030102131022
1111847960637
125a01186866
132ab95a3862
141657c3251c
15bb2a9edec
hex7023a114e

30102131022 has 32 divisors (see below), whose sum is σ = 62300011680. Its totient is φ = 9684971520.

The previous prime is 30102131009. The next prime is 30102131023. The reversal of 30102131022 is 22013120103.

It is a super-2 number, since 2×301021310222 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30102130992 and 30102131010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30102131023) 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, 559078 + ... + 610550.

It is an arithmetic number, because the mean of its divisors is an integer number (1946875365).

Almost surely, 230102131022 is an apocalyptic number.

30102131022 is an abundant number, since it is smaller than the sum of its proper divisors (32197880658).

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

30102131022 is a wasteful number, since it uses less digits than its factorization.

30102131022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54868.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 30102131022 its reverse (22013120103), we get a palindrome (52115251125).

The spelling of 30102131022 in words is "thirty billion, one hundred two million, one hundred thirty-one thousand, twenty-two".

Divisors: 1 2 3 6 29 58 87 174 3361 6722 10083 20166 51473 97469 102946 154419 194938 292407 308838 584814 1492717 2985434 4478151 8956302 173000753 346001506 519002259 1038004518 5017021837 10034043674 15051065511 30102131022