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2120132056 = 23754316971
BaseRepresentation
bin111111001011110…
…1010010111011000
312110202101212102111
41332113222113120
513320223211211
6550213442104
7103352553010
oct17627522730
95422355374
102120132056
11998839659
124b2040334
1327a319413
1416180ac40
15c61e2421
hex7e5ea5d8

2120132056 has 32 divisors (see below), whose sum is σ = 4544628480. Its totient is φ = 908330400.

The previous prime is 2120131957. The next prime is 2120132057. The reversal of 2120132056 is 6502310212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120132057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 300651 + ... + 307621.

It is an arithmetic number, because the mean of its divisors is an integer number (142019640).

Almost surely, 22120132056 is an apocalyptic number.

It is an amenable number.

2120132056 is an abundant number, since it is smaller than the sum of its proper divisors (2424496424).

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

2120132056 is a wasteful number, since it uses less digits than its factorization.

2120132056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12415 (or 12411 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 2120132056 is about 46044.8917470766. The cubic root of 2120132056 is about 1284.6583306364.

Adding to 2120132056 its reverse (6502310212), we get a palindrome (8622442268).

The spelling of 2120132056 in words is "two billion, one hundred twenty million, one hundred thirty-two thousand, fifty-six".

Divisors: 1 2 4 7 8 14 28 56 5431 6971 10862 13942 21724 27884 38017 43448 48797 55768 76034 97594 152068 195188 304136 390376 37859501 75719002 151438004 265016507 302876008 530033014 1060066028 2120132056