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22196130920 = 2351732641369
BaseRepresentation
bin10100101010111111…
…100001010001101000
32010021212221021111222
4110222333201101220
5330424202142140
614110300041212
71414016666645
oct245277412150
963255837458
1022196130920
119460156757
124375533208
1321296831a2
141107c36dcc
1589d9715b5
hex52afe1468

22196130920 has 32 divisors (see below), whose sum is σ = 52879019400. Its totient is φ = 8356190208.

The previous prime is 22196130917. The next prime is 22196130949. The reversal of 22196130920 is 2903169122.

It can be written as a sum of positive squares in 4 ways, for example, as 14733589924 + 7462540996 = 121382^2 + 86386^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16320005 + ... + 16321364.

Almost surely, 222196130920 is an apocalyptic number.

22196130920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22196130920 is an abundant number, since it is smaller than the sum of its proper divisors (30682888480).

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

22196130920 is a wasteful number, since it uses less digits than its factorization.

22196130920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32641397 (or 32641393 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 35.

The spelling of 22196130920 in words is "twenty-two billion, one hundred ninety-six million, one hundred thirty thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 17 20 34 40 68 85 136 170 340 680 32641369 65282738 130565476 163206845 261130952 326413690 554903273 652827380 1109806546 1305654760 2219613092 2774516365 4439226184 5549032730 11098065460 22196130920