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23031140132220 = 22351134895666867
BaseRepresentation
bin1010011110010010110101…
…11011010010010101111100
310000112202101202101101212020
411033021122323102111330
511004320233333212340
6120552205410440140
74564642060026333
oct517113273222574
9100482352341766
1023031140132220
11737a4a7202a80
1226bb70a293050
13cb0a9a46b47c
145989dab86d1a
1529e15d3659d0
hex14f25aed257c

23031140132220 has 48 divisors (see below), whose sum is σ = 70349664405888. Its totient is φ = 5583306698560.

The previous prime is 23031140132183. The next prime is 23031140132237. The reversal of 23031140132220 is 2223104113032.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17447832774 + ... + 17447834093.

It is an arithmetic number, because the mean of its divisors is an integer number (1465618008456).

Almost surely, 223031140132220 is an apocalyptic number.

23031140132220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23031140132220 is an abundant number, since it is smaller than the sum of its proper divisors (47318524273668).

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

23031140132220 is a wasteful number, since it uses less digits than its factorization.

23031140132220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34895666890 (or 34895666888 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 23031140132220 its reverse (2223104113032), we get a palindrome (25254244245252).

The spelling of 23031140132220 in words is "twenty-three trillion, thirty-one billion, one hundred forty million, one hundred thirty-two thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 11 12 15 20 22 30 33 44 55 60 66 110 132 165 220 330 660 34895666867 69791333734 104687000601 139582667468 174478334335 209374001202 348956668670 383852335537 418748002404 523435003005 697913337340 767704671074 1046870006010 1151557006611 1535409342148 1919261677685 2093740012020 2303114013222 3838523355370 4606228026444 5757785033055 7677046710740 11515570066110 23031140132220