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13021022122 = 228201230861
BaseRepresentation
bin11000010000001110…
…10000011110101010
31020121110100110101121
430020013100132222
5203131340201442
65552021405454
7640446601423
oct141007203652
936543313347
1013021022122
115582033709
12263486988a
1312c6852424
148b747c64a
15513205967
hex3081d07aa

13021022122 has 8 divisors (see below), whose sum is σ = 19532310372. Its totient is φ = 6510252000.

The previous prime is 13021022099. The next prime is 13021022141. The reversal of 13021022122 is 22122012031.

It is a happy number.

13021022122 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 12793645881 + 227376241 = 113109^2 + 15079^2 .

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

It is a super-2 number, since 2×130210221222 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13021022096 and 13021022105.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59029 + ... + 171832.

Almost surely, 213021022122 is an apocalyptic number.

13021022122 is a deficient number, since it is larger than the sum of its proper divisors (6511288250).

13021022122 is a wasteful number, since it uses less digits than its factorization.

13021022122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259064.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 13021022122 its reverse (22122012031), we get a palindrome (35143034153).

The spelling of 13021022122 in words is "thirteen billion, twenty-one million, twenty-two thousand, one hundred twenty-two".

Divisors: 1 2 28201 56402 230861 461722 6510511061 13021022122