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20397822879302 = 21137911512125429
BaseRepresentation
bin1001010001101001111001…
…11111001010011001000110
32200020000100100101200111122
410220310330333022121012
510133144220124114202
6111214344103033542
74203460031504141
oct450647477123106
980200310350448
1020397822879302
116554739277430
12235529973b8b2
13b4c67787157b
1450738d21b058
152558da5819a2
hex128d3cfca646

20397822879302 has 32 divisors (see below), whose sum is σ = 33495416524800. Its totient is φ = 9239235516000.

The previous prime is 20397822879281. The next prime is 20397822879323.

20397822879302 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (20397822879281) and next prime (20397822879323).

It is a super-2 number, since 2×203978228793022 (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 (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8534324 + ... + 10659752.

It is an arithmetic number, because the mean of its divisors is an integer number (1046731766400).

Almost surely, 220397822879302 is an apocalyptic number.

20397822879302 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20397822879302 is a deficient number, since it is larger than the sum of its proper divisors (13097593645498).

20397822879302 is a wasteful number, since it uses less digits than its factorization.

20397822879302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2126972.

The product of its (nonzero) digits is 36578304, while the sum is 62.

The spelling of 20397822879302 in words is "twenty trillion, three hundred ninety-seven billion, eight hundred twenty-two million, eight hundred seventy-nine thousand, three hundred two".

Divisors: 1 2 11 22 379 758 1151 2302 4169 8338 12661 25322 436229 872458 2125429 4250858 4798519 9597038 23379719 46759438 805537591 1611075182 2446368779 4892737558 8860913501 17721827002 26910056569 53820113138 927173767241 1854347534482 10198911439651 20397822879302