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2130056122 = 21065028061
BaseRepresentation
bin111111011110110…
…0001001110111010
312111110002001200111
41332331201032322
513330243243442
6551210254534
7103533115105
oct17675411672
95443061614
102130056122
119a33a7767
124b542744a
1327c3b254c
14162c7173c
15c7002b17
hex7ef613ba

2130056122 has 4 divisors (see below), whose sum is σ = 3195084186. Its totient is φ = 1065028060.

The previous prime is 2130056111. The next prime is 2130056147. The reversal of 2130056122 is 2216500312.

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., 1712221641 + 417834481 = 41379^2 + 20441^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2130056093 and 2130056102.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 532514029 + ... + 532514032.

Almost surely, 22130056122 is an apocalyptic number.

2130056122 is a deficient number, since it is larger than the sum of its proper divisors (1065028064).

2130056122 is a wasteful number, since it uses less digits than its factorization.

2130056122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1065028063.

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

The square root of 2130056122 is about 46152.5310465201. The cubic root of 2130056122 is about 1286.6596514811.

Adding to 2130056122 its reverse (2216500312), we get a palindrome (4346556434).

The spelling of 2130056122 in words is "two billion, one hundred thirty million, fifty-six thousand, one hundred twenty-two".

Divisors: 1 2 1065028061 2130056122