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22130011305 = 325491778029
BaseRepresentation
bin10100100111000011…
…010010110010101001
32010010021112001110100
4110213003102302221
5330310240330210
614055534540013
71412254664253
oct244703226251
963107461410
1022130011305
1194268a6046
124357367609
132118a7295c
1410dd144cd3
15897c605c0
hex5270d2ca9

22130011305 has 12 divisors (see below), whose sum is σ = 38358686340. Its totient is φ = 11802672672.

The previous prime is 22130011289. The next prime is 22130011333. The reversal of 22130011305 is 50311003122.

It can be written as a sum of positive squares in 2 ways, for example, as 4541681664 + 17588329641 = 67392^2 + 132621^2 .

It is not a de Polignac number, because 22130011305 - 24 = 22130011289 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 245888970 + ... + 245889059.

It is an arithmetic number, because the mean of its divisors is an integer number (3196557195).

Almost surely, 222130011305 is an apocalyptic number.

It is an amenable number.

22130011305 is a deficient number, since it is larger than the sum of its proper divisors (16228675035).

22130011305 is a wasteful number, since it uses less digits than its factorization.

22130011305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491778040 (or 491778037 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

Adding to 22130011305 its reverse (50311003122), we get a palindrome (72441014427).

The spelling of 22130011305 in words is "twenty-two billion, one hundred thirty million, eleven thousand, three hundred five".

Divisors: 1 3 5 9 15 45 491778029 1475334087 2458890145 4426002261 7376670435 22130011305