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22130133240 = 2335184417777
BaseRepresentation
bin10100100111000011…
…110000100011111000
32010010021202020201110
4110213003300203320
5330310303230430
614055541320320
71412256012615
oct244703604370
963107666643
1022130133240
119426979716
1243574060a0
132118ab62c7
1410dd17750c
15897c867b0
hex5270f08f8

22130133240 has 32 divisors (see below), whose sum is σ = 66390400080. Its totient is φ = 5901368832.

The previous prime is 22130133229. The next prime is 22130133269. The reversal of 22130133240 is 4233103122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92208769 + ... + 92209008.

Almost surely, 222130133240 is an apocalyptic number.

22130133240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22130133240 is an abundant number, since it is smaller than the sum of its proper divisors (44260266840).

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

22130133240 is a wasteful number, since it uses less digits than its factorization.

22130133240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184417791 (or 184417787 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 22130133240 its reverse (4233103122), we get a palindrome (26363236362).

It can be divided in two parts, 221301 and 33240, that added together give a triangular number (254541 = T713).

The spelling of 22130133240 in words is "twenty-two billion, one hundred thirty million, one hundred thirty-three thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 184417777 368835554 553253331 737671108 922088885 1106506662 1475342216 1844177770 2213013324 2766266655 3688355540 4426026648 5532533310 7376711080 11065066620 22130133240