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22021120130 = 252975934897
BaseRepresentation
bin10100100000100011…
…111010000010000010
32002211200121210211212
4110200203322002002
5330044401321010
614041045010122
71406463301262
oct244043720202
962750553755
1022021120130
119380391539
1243269b3942
1320cc3381c9
1410cc8bb7a2
1588d401505
hex5208fa082

22021120130 has 16 divisors (see below), whose sum is σ = 41004844920. Its totient is φ = 8504708352.

The previous prime is 22021120123. The next prime is 22021120141. The reversal of 22021120130 is 3102112022.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 14017849609 + 8003270521 = 118397^2 + 89461^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37967159 + ... + 37967738.

Almost surely, 222021120130 is an apocalyptic number.

22021120130 is a deficient number, since it is larger than the sum of its proper divisors (18983724790).

22021120130 is a wasteful number, since it uses less digits than its factorization.

22021120130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75934933.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 22021120130 its reverse (3102112022), we get a palindrome (25123232152).

The spelling of 22021120130 in words is "twenty-two billion, twenty-one million, one hundred twenty thousand, one hundred thirty".

Divisors: 1 2 5 10 29 58 145 290 75934897 151869794 379674485 759348970 2202112013 4404224026 11010560065 22021120130