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20010211023 = 3114871245113
BaseRepresentation
bin10010101000101100…
…111001011011001111
31220122112202001010210
4102220230321123033
5311440103223043
613105332133503
71305604662435
oct225054713317
956575661123
1020010211023
118539273790
123a65467293
131b6b84156a
14d7b7c2d55
157c1ad6633
hex4a8b396cf

20010211023 has 16 divisors (see below), whose sum is σ = 29165550336. Its totient is φ = 12102488640.

The previous prime is 20010210971. The next prime is 20010211027. The reversal of 20010211023 is 32011201002.

It is not a de Polignac number, because 20010211023 - 28 = 20010210767 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20010211027) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 606486 + ... + 638627.

It is an arithmetic number, because the mean of its divisors is an integer number (1822846896).

Almost surely, 220010211023 is an apocalyptic number.

20010211023 is a deficient number, since it is larger than the sum of its proper divisors (9155339313).

20010211023 is a wasteful number, since it uses less digits than its factorization.

20010211023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1245614.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 20010211023 its reverse (32011201002), we get a palindrome (52021412025).

The spelling of 20010211023 in words is "twenty billion, ten million, two hundred eleven thousand, twenty-three".

Divisors: 1 3 11 33 487 1461 5357 16071 1245113 3735339 13696243 41088729 606370031 1819110093 6670070341 20010211023