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2112500322 = 232821142949
BaseRepresentation
bin111110111101010…
…0011001001100010
312110020001010122200
41331322203021202
513311300002242
6545342114030
7103230646032
oct17572431142
95406033580
102112500322
119944a6839
124ab57b916
132788767ba
141607c18c2
15c56d604c
hex7dea3262

2112500322 has 24 divisors (see below), whose sum is σ = 4582691100. Its totient is φ = 703304160.

The previous prime is 2112500317. The next prime is 2112500329. The reversal of 2112500322 is 2230052112.

It can be written as a sum of positive squares in 2 ways, for example, as 2085657561 + 26842761 = 45669^2 + 5181^2 .

It is a super-2 number, since 2×21125003222 = 8925315220900207368, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2112500295 and 2112500304.

It is not an unprimeable number, because it can be changed into a prime (2112500329) 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 in 11 ways as a sum of consecutive naturals, for example, 56697 + ... + 86252.

Almost surely, 22112500322 is an apocalyptic number.

2112500322 is an abundant number, since it is smaller than the sum of its proper divisors (2470190778).

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

2112500322 is a wasteful number, since it uses less digits than its factorization.

2112500322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143778 (or 143775 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 2112500322 is about 45961.9442800237. The cubic root of 2112500322 is about 1283.1150371299.

Adding to 2112500322 its reverse (2230052112), we get a palindrome (4342552434).

The spelling of 2112500322 in words is "two billion, one hundred twelve million, five hundred thousand, three hundred twenty-two".

Divisors: 1 2 3 6 9 18 821 1642 2463 4926 7389 14778 142949 285898 428847 857694 1286541 2573082 117361129 234722258 352083387 704166774 1056250161 2112500322