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20023113313 = 77507381037
BaseRepresentation
bin10010101001011110…
…000111011001100001
31220200110000112202101
4102221132013121201
5312001404111223
613110512450401
71306122440440
oct225136073141
956613015671
1020023113313
118545586435
123a69849a01
131b7140b158
14d7d3c0d57
157c2cd44ad
hex4a9787661

20023113313 has 8 divisors (see below), whose sum is σ = 22886666432. Its totient is φ = 17160337296.

The previous prime is 20023113287. The next prime is 20023113329. The reversal of 20023113313 is 31331132002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20023113313 - 29 = 20023112801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20023113343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137970 + ... + 243067.

It is an arithmetic number, because the mean of its divisors is an integer number (2860833304).

Almost surely, 220023113313 is an apocalyptic number.

It is an amenable number.

20023113313 is a deficient number, since it is larger than the sum of its proper divisors (2863553119).

20023113313 is an equidigital number, since it uses as much as digits as its factorization.

20023113313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388551.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 20023113313 its reverse (31331132002), we get a palindrome (51354245315).

The spelling of 20023113313 in words is "twenty billion, twenty-three million, one hundred thirteen thousand, three hundred thirteen".

Divisors: 1 7 7507 52549 381037 2667259 2860444759 20023113313