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20231320210 = 2516712114563
BaseRepresentation
bin10010110101111000…
…010111001010010010
31221012221210112220221
4102311320113022102
5312413204221320
613143311223254
71314231245563
oct226570271222
957187715827
1020231320210
118642064352
123b07517b2a
131ba55a9aba
14d9ccdc16a
157d62103aa
hex4b5e17292

20231320210 has 16 divisors (see below), whose sum is σ = 36634441536. Its totient is φ = 8044069168.

The previous prime is 20231320183. The next prime is 20231320253. The reversal of 20231320210 is 1202313202.

It is an unprimeable number.

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, 6055612 + ... + 6058951.

It is an arithmetic number, because the mean of its divisors is an integer number (2289652596).

Almost surely, 220231320210 is an apocalyptic number.

20231320210 is a deficient number, since it is larger than the sum of its proper divisors (16403121326).

20231320210 is a wasteful number, since it uses less digits than its factorization.

20231320210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12114737.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20231320210 its reverse (1202313202), we get a palindrome (21433633412).

The spelling of 20231320210 in words is "twenty billion, two hundred thirty-one million, three hundred twenty thousand, two hundred ten".

Divisors: 1 2 5 10 167 334 835 1670 12114563 24229126 60572815 121145630 2023132021 4046264042 10115660105 20231320210