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1021022142222 = 231084131569649
BaseRepresentation
bin11101101101110011010…
…10010111111100001110
310121121102210021220021010
432312321222113330032
5113212023132022342
62101015011550050
7133523611004265
oct16667152277416
93547383256233
101021022142222
11364016421555
12145a6a2bb326
1375388663b54
14375bc3a15dc
151b85c0d929c
hexedb9a97f0e

1021022142222 has 16 divisors (see below), whose sum is σ = 2042064421200. Its totient is φ = 340337357952.

The previous prime is 1021022142209. The next prime is 1021022142223. The reversal of 1021022142222 is 2222412201201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021022142223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134347 + ... + 1435302.

It is an arithmetic number, because the mean of its divisors is an integer number (127629026325).

Almost surely, 21021022142222 is an apocalyptic number.

1021022142222 is an abundant number, since it is smaller than the sum of its proper divisors (1021042278978).

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

1021022142222 is a wasteful number, since it uses less digits than its factorization.

1021022142222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1678067.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 1021022142222 its reverse (2222412201201), we get a palindrome (3243434343423).

The spelling of 1021022142222 in words is "one trillion, twenty-one billion, twenty-two million, one hundred forty-two thousand, two hundred twenty-two".

Divisors: 1 2 3 6 108413 216826 325239 650478 1569649 3139298 4708947 9417894 170170357037 340340714074 510511071111 1021022142222