Search a number
-
+
13122223031020 = 2252412722452911
BaseRepresentation
bin1011111011110100000101…
…1100010100001011101100
31201110110202021200211001011
42332331001130110023230
53204443303043443040
643524133244155004
72523022630254655
oct276750134241354
951413667624034
1013122223031020
1141aa115894a34
12157b211b38a64
137425605a904c
143351946c252c
1517b5148a83ea
hexbef417142ec

13122223031020 has 24 divisors (see below), whose sum is σ = 27671011397568. Its totient is φ = 5227109587200.

The previous prime is 13122223031017. The next prime is 13122223031023. The reversal of 13122223031020 is 2013032222131.

It is an interprime number because it is at equal distance from previous prime (13122223031017) and next prime (13122223031023).

It is a junction number, because it is equal to n+sod(n) for n = 13122223030982 and 13122223031000.

It is not an unprimeable number, because it can be changed into a prime (13122223031023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1361221636 + ... + 1361231275.

It is an arithmetic number, because the mean of its divisors is an integer number (1152958808232).

Almost surely, 213122223031020 is an apocalyptic number.

13122223031020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13122223031020 is an abundant number, since it is smaller than the sum of its proper divisors (14548788366548).

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

13122223031020 is a wasteful number, since it uses less digits than its factorization.

13122223031020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2722453161 (or 2722453159 counting only the distinct ones).

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

Adding to 13122223031020 its reverse (2013032222131), we get a palindrome (15135255253151).

The spelling of 13122223031020 in words is "thirteen trillion, one hundred twenty-two billion, two hundred twenty-three million, thirty-one thousand, twenty".

Divisors: 1 2 4 5 10 20 241 482 964 1205 2410 4820 2722452911 5444905822 10889811644 13612264555 27224529110 54449058220 656111151551 1312222303102 2624444606204 3280555757755 6561111515510 13122223031020