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23211040120 = 2351873309811
BaseRepresentation
bin10101100111011111…
…000101110101111000
32012220121200000012121
4111213133011311320
5340014011240440
614355113051024
71451122404622
oct254737056570
965817600177
1023211040120
119931032a94
1245b93b6a74
13225ba10588
1411a2945c12
1590caea34a
hex5677c5d78

23211040120 has 32 divisors (see below), whose sum is σ = 52252891920. Its totient is φ = 9279429120.

The previous prime is 23211040103. The next prime is 23211040121. The reversal of 23211040120 is 2104011232.

It is a super-2 number, since 2×232110401202 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23211040094 and 23211040103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23211040121) 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, 79986 + ... + 229825.

Almost surely, 223211040120 is an apocalyptic number.

23211040120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23211040120 is an abundant number, since it is smaller than the sum of its proper divisors (29041851800).

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

23211040120 is a wasteful number, since it uses less digits than its factorization.

23211040120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311695 (or 311691 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 23211040120 its reverse (2104011232), we get a palindrome (25315051352).

It can be divided in two parts, 2321 and 1040120, that added together give a square (1042441 = 10212).

The spelling of 23211040120 in words is "twenty-three billion, two hundred eleven million, forty thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 1873 3746 7492 9365 14984 18730 37460 74920 309811 619622 1239244 1549055 2478488 3098110 6196220 12392440 580276003 1160552006 2321104012 2901380015 4642208024 5802760030 11605520060 23211040120