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10022121112 = 2317431713769
BaseRepresentation
bin10010101010101110…
…10110111010011000
3221212110101111120211
421111113112322120
5131011130333422
64334252500504
7503233423663
oct112527267230
927773344524
1010022121112
114283253a23
121b3847a734
13c394641a3
146b10806da
153d9ccc577
hex2555d6e98

10022121112 has 32 divisors (see below), whose sum is σ = 20359587600. Its totient is φ = 4606608384.

The previous prime is 10022121103. The next prime is 10022121119. The reversal of 10022121112 is 21112122001.

It is a super-2 number, since 2×100221211122 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10022121092 and 10022121101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10022121119) 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, 851037 + ... + 862732.

Almost surely, 210022121112 is an apocalyptic number.

It is an amenable number.

10022121112 is an abundant number, since it is smaller than the sum of its proper divisors (10337466488).

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

10022121112 is a wasteful number, since it uses less digits than its factorization.

10022121112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1713835 (or 1713831 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 10022121112 its reverse (21112122001), we get a palindrome (31134243113).

The spelling of 10022121112 in words is "ten billion, twenty-two million, one hundred twenty-one thousand, one hundred twelve".

Divisors: 1 2 4 8 17 34 43 68 86 136 172 344 731 1462 2924 5848 1713769 3427538 6855076 13710152 29134073 58268146 73692067 116536292 147384134 233072584 294768268 589536536 1252765139 2505530278 5011060556 10022121112