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13921047022 = 2231811671997
BaseRepresentation
bin11001111011100001…
…00101000111101110
31022221011220110110011
430331300211013232
5212002242001042
610221212203434
71001655642631
oct147560450756
938834813404
1013921047022
1159a4082743
12284616957a
13140b15723c
14960c03c18
15567239a17
hex33dc251ee

13921047022 has 16 divisors (see below), whose sum is σ = 21909861792. Its totient is φ = 6621104160.

The previous prime is 13921047017. The next prime is 13921047031. The reversal of 13921047022 is 22074012931.

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, 827673 + ... + 844324.

It is an arithmetic number, because the mean of its divisors is an integer number (1369366362).

Almost surely, 213921047022 is an apocalyptic number.

13921047022 is a deficient number, since it is larger than the sum of its proper divisors (7988814770).

13921047022 is a wasteful number, since it uses less digits than its factorization.

13921047022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1672203.

The product of its (nonzero) digits is 6048, while the sum is 31.

Adding to 13921047022 its reverse (22074012931), we get a palindrome (35995059953).

The spelling of 13921047022 in words is "thirteen billion, nine hundred twenty-one million, forty-seven thousand, twenty-two".

Divisors: 1 2 23 46 181 362 4163 8326 1671997 3343994 38455931 76911862 302631457 605262914 6960523511 13921047022