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13021301021202 = 232723405612289
BaseRepresentation
bin1011110101111100001000…
…0001011001101000010010
31201002211020212010112002200
42331133002001121220102
53201320111030134302
643405523023224030
72512520656321125
oct275370201315022
951084225115080
1013021301021202
114170336a64251
121563747448016
13735b98a67a86
1433033d0163bc
15178aa974581c
hexbd7c2059a12

13021301021202 has 12 divisors (see below), whose sum is σ = 28212818879310. Its totient is φ = 4340433673728.

The previous prime is 13021301021177. The next prime is 13021301021221. The reversal of 13021301021202 is 20212010312031.

13021301021202 is a `hidden beast` number, since 1 + 302 + 130 + 10 + 21 + 202 = 666.

It can be written as a sum of positive squares in only one way, i.e., 11863677808161 + 1157623213041 = 3444369^2 + 1075929^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 723405612289 = 13021301021202 / (1 + 3 + 0 + 2 + 1 + 3 + 0 + 1 + 0 + 2 + 1 + 2 + 0 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 361702806127 + ... + 361702806162.

Almost surely, 213021301021202 is an apocalyptic number.

13021301021202 is an abundant number, since it is smaller than the sum of its proper divisors (15191517858108).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13021301021202 is a wasteful number, since it uses less digits than its factorization.

13021301021202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723405612297 (or 723405612294 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 13021301021202 its reverse (20212010312031), we get a palindrome (33233311333233).

The spelling of 13021301021202 in words is "thirteen trillion, twenty-one billion, three hundred one million, twenty-one thousand, two hundred two".

Divisors: 1 2 3 6 9 18 723405612289 1446811224578 2170216836867 4340433673734 6510650510601 13021301021202