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13130333021 = 131961871463
BaseRepresentation
bin11000011101010000…
…01111101101011101
31020220002001000202102
430032220033231131
5203342331124041
610010524334445
7643244663201
oct141650175535
936802030672
1013130333021
1156288045a3
1226653a4425
1313133a5c30
148c7bb4b01
1551cae909b
hex30ea0fb5d

13130333021 has 16 divisors (see below), whose sum is σ = 15128615040. Its totient is φ = 11294147520.

The previous prime is 13130333011. The next prime is 13130333063. The reversal of 13130333021 is 12033303131.

It is a cyclic number.

It is not a de Polignac number, because 13130333021 - 214 = 13130316637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13130332984 and 13130333002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13130333011) 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, 420665 + ... + 450798.

It is an arithmetic number, because the mean of its divisors is an integer number (945538440).

Almost surely, 213130333021 is an apocalyptic number.

It is an amenable number.

13130333021 is a deficient number, since it is larger than the sum of its proper divisors (1998282019).

13130333021 is a wasteful number, since it uses less digits than its factorization.

13130333021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 871556.

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 13130333021 its reverse (12033303131), we get a palindrome (25163636152).

The spelling of 13130333021 in words is "thirteen billion, one hundred thirty million, three hundred thirty-three thousand, twenty-one".

Divisors: 1 13 19 61 247 793 1159 15067 871463 11329019 16557797 53159243 215251361 691070159 1010025617 13130333021