Search a number
-
+
12310220332020 = 22351364724393097
BaseRepresentation
bin1011001100100011001001…
…0011110101101111110100
31121120211211102100210101010
42303020302103311233310
53103142312401111040
642103123120232220
72410245510225252
oct263106223655764
947524742323333
1012310220332020
113a1680a4a5896
121469977a6b670
136b3b05a61520
14307b642395d2
1516533c9b0e80
hexb32324f5bf4

12310220332020 has 96 divisors (see below), whose sum is σ = 37177423089408. Its totient is φ = 3025524483072.

The previous prime is 12310220332019. The next prime is 12310220332027. The reversal of 12310220332020 is 2023302201321.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12310220332027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11691889 + ... + 12701208.

It is an arithmetic number, because the mean of its divisors is an integer number (387264823848).

Almost surely, 212310220332020 is an apocalyptic number.

12310220332020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12310220332020 is an abundant number, since it is smaller than the sum of its proper divisors (24867202757388).

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

12310220332020 is a wasteful number, since it uses less digits than its factorization.

12310220332020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24393769 (or 24393767 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 12310220332020 its reverse (2023302201321), we get a palindrome (14333522533341).

The spelling of 12310220332020 in words is "twelve trillion, three hundred ten billion, two hundred twenty million, three hundred thirty-two thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 13 15 20 26 30 39 52 60 65 78 130 156 195 260 390 647 780 1294 1941 2588 3235 3882 6470 7764 8411 9705 12940 16822 19410 25233 33644 38820 42055 50466 84110 100932 126165 168220 252330 504660 24393097 48786194 73179291 97572388 121965485 146358582 243930970 292717164 317110261 365896455 487861940 634220522 731792910 951330783 1268441044 1463585820 1585551305 1902661566 3171102610 3805323132 4756653915 6342205220 9513307830 15782333759 19026615660 31564667518 47347001277 63129335036 78911668795 94694002554 157823337590 189388005108 205170338867 236735006385 315646675180 410340677734 473470012770 615511016601 820681355468 946940025540 1025851694335 1231022033202 2051703388670 2462044066404 3077555083005 4103406777340 6155110166010 12310220332020