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10023244420 = 2257192198323
BaseRepresentation
bin10010101010110111…
…01001001010000100
3221212112111120110211
421111123221022010
5131011422310140
64334332525204
7503246112640
oct112533511204
927775446424
1010023244420
114283950982
121b38920804
13c39768577
146b1293c20
153d9e502ea
hex2556e9284

10023244420 has 72 divisors (see below), whose sum is σ = 25388645184. Its totient is φ = 3255653952.

The previous prime is 10023244409. The next prime is 10023244493. The reversal of 10023244420 is 2444232001.

It is a happy number.

It is a super-2 number, since 2×100232444202 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10023244391 and 10023244400.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48622 + ... + 149701.

It is an arithmetic number, because the mean of its divisors is an integer number (352620072).

Almost surely, 210023244420 is an apocalyptic number.

10023244420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10023244420 is an abundant number, since it is smaller than the sum of its proper divisors (15365400764).

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

10023244420 is a wasteful number, since it uses less digits than its factorization.

10023244420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198377 (or 198356 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 10023244420 its reverse (2444232001), we get a palindrome (12467476421).

The spelling of 10023244420 in words is "ten billion, twenty-three million, two hundred forty-four thousand, four hundred twenty".

Divisors: 1 2 4 5 7 10 14 19 20 28 35 38 70 76 95 133 140 190 266 361 380 532 665 722 1330 1444 1805 2527 2660 3610 5054 7220 10108 12635 25270 50540 198323 396646 793292 991615 1388261 1983230 2776522 3768137 3966460 5553044 6941305 7536274 13882610 15072548 18840685 26376959 27765220 37681370 52753918 71594603 75362740 105507836 131884795 143189206 263769590 286378412 357973015 501162221 527539180 715946030 1002324442 1431892060 2004648884 2505811105 5011622210 10023244420