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140223131013 = 3717937303307
BaseRepresentation
bin1000001010010111110…
…0110010110110000101
3111101221101120002221210
42002211330302312011
54244134110143023
6144230112202033
713062600643020
oct2024574626605
9441841502853
10140223131013
1154517335839
1223214539319
13102b8b87894
146b031121b7
1539aa5e9593
hex20a5f32d85

140223131013 has 16 divisors (see below), whose sum is σ = 214867054080. Its totient is φ = 79679861616.

The previous prime is 140223130967. The next prime is 140223131063. The reversal of 140223131013 is 310131322041.

It is not a de Polignac number, because 140223131013 - 217 = 140222999941 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140223131063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18647895 + ... + 18655412.

It is an arithmetic number, because the mean of its divisors is an integer number (13429190880).

Almost surely, 2140223131013 is an apocalyptic number.

It is an amenable number.

140223131013 is a deficient number, since it is larger than the sum of its proper divisors (74643923067).

140223131013 is a wasteful number, since it uses less digits than its factorization.

140223131013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37303496.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 140223131013 its reverse (310131322041), we get a palindrome (450354453054).

The spelling of 140223131013 in words is "one hundred forty billion, two hundred twenty-three million, one hundred thirty-one thousand, thirteen".

Divisors: 1 3 7 21 179 537 1253 3759 37303307 111909921 261123149 783369447 6677291953 20031875859 46741043671 140223131013