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21030112223032 = 2311312248676949
BaseRepresentation
bin1001100100000011101000…
…10111100101111100111000
32202110110101200100100120111
410302001310113211330320
510224024132212114112
6112421033350034104
74300242533320423
oct462016427457470
982413350310514
1021030112223032
116778903106870
12243793a048934
13b97191c77813
14529c119a29ba
15267094ee25a7
hex1320745e5f38

21030112223032 has 48 divisors (see below), whose sum is σ = 44448518043000. Its totient is φ = 9250782465600.

The previous prime is 21030112223017. The next prime is 21030112223047. The reversal of 21030112223032 is 23032221103012.

It is an interprime number because it is at equal distance from previous prime (21030112223017) and next prime (21030112223047).

It is a super-2 number, since 2×210301122230322 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 21030112222994 and 21030112223012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 124253907 + ... + 124423042.

Almost surely, 221030112223032 is an apocalyptic number.

21030112223032 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

21030112223032 is an abundant number, since it is smaller than the sum of its proper divisors (23418405819968).

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

21030112223032 is a wasteful number, since it uses less digits than its factorization.

21030112223032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248677028 (or 248676993 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 21030112223032 its reverse (23032221103012), we get a palindrome (44062333326044).

The spelling of 21030112223032 in words is "twenty-one trillion, thirty billion, one hundred twelve million, two hundred twenty-three thousand, thirty-two".

Divisors: 1 2 4 8 11 22 31 44 62 88 124 248 341 682 961 1364 1922 2728 3844 7688 10571 21142 42284 84568 248676949 497353898 994707796 1989415592 2735446439 5470892878 7708985419 10941785756 15417970838 21883571512 30835941676 61671883352 84798839609 169597679218 238978547989 339195358436 477957095978 678390716872 955914191956 1911828383912 2628764027879 5257528055758 10515056111516 21030112223032