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20223131211310 = 253428415898691
BaseRepresentation
bin1001001100100100100001…
…00011010101011000101110
32122121022102210012110211011
410212102100203111120232
510122313433042230220
6111002213410215434
74155034021022506
oct446222043253056
978538383173734
1020223131211310
1164976443976a5
12232746588457a
13b39057912ca1
144dcb3a424a06
152510b3dd765a
hex1264908d562e

20223131211310 has 16 divisors (see below), whose sum is σ = 36401748527952. Its totient is φ = 8089227518400.

The previous prime is 20223131211307. The next prime is 20223131211383. The reversal of 20223131211310 is 1311213132202.

It is a super-2 number, since 2×202231312113102 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 479065 + ... + 6377755.

It is an arithmetic number, because the mean of its divisors is an integer number (2275109282997).

Almost surely, 220223131211310 is an apocalyptic number.

20223131211310 is a deficient number, since it is larger than the sum of its proper divisors (16178617316642).

20223131211310 is a wasteful number, since it uses less digits than its factorization.

20223131211310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6241539.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 20223131211310 its reverse (1311213132202), we get a palindrome (21534344343512).

The spelling of 20223131211310 in words is "twenty trillion, two hundred twenty-three billion, one hundred thirty-one million, two hundred eleven thousand, three hundred ten".

Divisors: 1 2 5 10 342841 685682 1714205 3428410 5898691 11797382 29493455 58986910 2022313121131 4044626242262 10111565605655 20223131211310