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22130671994 = 211065335997
BaseRepresentation
bin10100100111000101…
…110100000101111010
32010010022202121202022
4110213011310011322
5330310423000434
614100001034442
71412263415414
oct244705640572
963108677668
1022130671994
119427207472
124357625a22
132118c445b2
1410dd2779b4
15897d4122e
hex52717417a

22130671994 has 4 divisors (see below), whose sum is σ = 33196007994. Its totient is φ = 11065335996.

The previous prime is 22130671991. The next prime is 22130671999. The reversal of 22130671994 is 49917603122.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 16208599969 + 5922072025 = 127313^2 + 76955^2 .

It is not an unprimeable number, because it can be changed into a prime (22130671991) by changing a digit.

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 as a sum of consecutive naturals, namely, 5532667997 + ... + 5532668000.

Almost surely, 222130671994 is an apocalyptic number.

22130671994 is a deficient number, since it is larger than the sum of its proper divisors (11065336000).

22130671994 is a wasteful number, since it uses less digits than its factorization.

22130671994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11065335999.

The product of its (nonzero) digits is 163296, while the sum is 44.

The spelling of 22130671994 in words is "twenty-two billion, one hundred thirty million, six hundred seventy-one thousand, nine hundred ninety-four".

Divisors: 1 2 11065335997 22130671994