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210112021112 = 2378214570037
BaseRepresentation
bin1100001110101110100…
…1110000001001111000
3202002100001211120200212
43003223221300021320
511420302134133422
6240305113450252
721115525466060
oct3035351601170
9662301746625
10210112021112
1181120838344
123487a110988
1316a7629b916
14a2530843a0
1556eb0ad9e2
hex30eba70278

210112021112 has 32 divisors (see below), whose sum is σ = 450788548320. Its totient is φ = 89938308480.

The previous prime is 210112021001. The next prime is 210112021127. The reversal of 210112021112 is 211120211012.

It is a super-2 number, since 2×2101120211122 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

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, 2239043 + ... + 2330994.

It is an arithmetic number, because the mean of its divisors is an integer number (14087142135).

Almost surely, 2210112021112 is an apocalyptic number.

It is an amenable number.

210112021112 is an abundant number, since it is smaller than the sum of its proper divisors (240676527208).

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

210112021112 is a wasteful number, since it uses less digits than its factorization.

210112021112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4570871 (or 4570867 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 210112021112 its reverse (211120211012), we get a palindrome (421232232124).

The spelling of 210112021112 in words is "two hundred ten billion, one hundred twelve million, twenty-one thousand, one hundred twelve".

Divisors: 1 2 4 7 8 14 28 56 821 1642 3284 5747 6568 11494 22988 45976 4570037 9140074 18280148 31990259 36560296 63980518 127961036 255922072 3752000377 7504000754 15008001508 26264002639 30016003016 52528005278 105056010556 210112021112