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2121120762 = 231128731321
BaseRepresentation
bin111111001101101…
…1011101111111010
312110211021002200020
41332123123233322
513321001331022
6550250551310
7103364141355
oct17633335772
95424232606
102121120762
11999354472
124b2438536
1327a5a4457
141619c729c
15c633a35c
hex7e6dbbfa

2121120762 has 16 divisors (see below), whose sum is σ = 4242752832. Its totient is φ = 706955040.

The previous prime is 2121120739. The next prime is 2121120767. The reversal of 2121120762 is 2670211212.

It is not an unprimeable number, because it can be changed into a prime (2121120767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52062 + ... + 83382.

It is an arithmetic number, because the mean of its divisors is an integer number (265172052).

Almost surely, 22121120762 is an apocalyptic number.

2121120762 is an abundant number, since it is smaller than the sum of its proper divisors (2121632070).

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

2121120762 is a wasteful number, since it uses less digits than its factorization.

2121120762 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42613.

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 2121120762 is about 46055.6268223547. The cubic root of 2121120762 is about 1284.8579961880.

Adding to 2121120762 its reverse (2670211212), we get a palindrome (4791331974).

The spelling of 2121120762 in words is "two billion, one hundred twenty-one million, one hundred twenty thousand, seven hundred sixty-two".

Divisors: 1 2 3 6 11287 22574 31321 33861 62642 67722 93963 187926 353520127 707040254 1060560381 2121120762