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13010010121 = 17898598817
BaseRepresentation
bin11000001110111010…
…10000000000001001
31020120200121222202201
430013131100000021
5203121030310441
65550545400201
7640254155443
oct140735200011
936520558681
1013010010121
1155768a2189
122631039061
1312c4498054
148b5c13493
1551227cc31
hex307750009

13010010121 has 8 divisors (see below), whose sum is σ = 13930085160. Its totient is φ = 12107132928.

The previous prime is 13010010107. The next prime is 13010010127. The reversal of 13010010121 is 12101001031.

It can be written as a sum of positive squares in 4 ways, for example, as 3748096 + 13006262025 = 1936^2 + 114045^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13010010121 - 25 = 13010010089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13010010098 and 13010010107.

It is not an unprimeable number, because it can be changed into a prime (13010010127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4297896 + ... + 4300921.

It is an arithmetic number, because the mean of its divisors is an integer number (1741260645).

Almost surely, 213010010121 is an apocalyptic number.

It is an amenable number.

13010010121 is a deficient number, since it is larger than the sum of its proper divisors (920075039).

13010010121 is an equidigital number, since it uses as much as digits as its factorization.

13010010121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8598923.

The product of its (nonzero) digits is 6, while the sum is 10.

Adding to 13010010121 its reverse (12101001031), we get a palindrome (25111011152).

The spelling of 13010010121 in words is "thirteen billion, ten million, ten thousand, one hundred twenty-one".

Divisors: 1 17 89 1513 8598817 146179889 765294713 13010010121