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22120320115 = 538311551081
BaseRepresentation
bin10100100110011110…
…010100110001110011
32010002121021200122101
4110212132110301303
5330300300220430
614054551121231
71412106422125
oct244636246163
963077250571
1022120320115
1194213869a3
124354073217
132116a5b81a
1410dbb41215
15896e98dca
hex526794c73

22120320115 has 8 divisors (see below), whose sum is σ = 26613692928. Its totient is φ = 17650050240.

The previous prime is 22120320113. The next prime is 22120320119. The reversal of 22120320115 is 51102302122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22120320115 - 21 = 22120320113 is a prime.

It is a super-2 number, since 2×221203201152 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22120320092 and 22120320101.

It is not an unprimeable number, because it can be changed into a prime (22120320113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5773626 + ... + 5777455.

It is an arithmetic number, because the mean of its divisors is an integer number (3326711616).

Almost surely, 222120320115 is an apocalyptic number.

22120320115 is a deficient number, since it is larger than the sum of its proper divisors (4493372813).

22120320115 is a wasteful number, since it uses less digits than its factorization.

22120320115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11551469.

The product of its (nonzero) digits is 240, while the sum is 19.

Adding to 22120320115 its reverse (51102302122), we get a palindrome (73222622237).

The spelling of 22120320115 in words is "twenty-two billion, one hundred twenty million, three hundred twenty thousand, one hundred fifteen".

Divisors: 1 5 383 1915 11551081 57755405 4424064023 22120320115