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13220010230 = 257593200971
BaseRepresentation
bin11000100111111100…
…10101100011110110
31021010022210002202112
430103332111203312
5204033310311410
610023450411022
7645414142610
oct142376254366
937108702675
1013220010230
115674395399
12268b430a72
131328b43c7b
148d5a79db0
15525910105
hex313f958f6

13220010230 has 32 divisors (see below), whose sum is σ = 27656398080. Its totient is φ = 4455750240.

The previous prime is 13220010227. The next prime is 13220010239. The reversal of 13220010230 is 3201002231.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13220010239) 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, 1596356 + ... + 1604615.

It is an arithmetic number, because the mean of its divisors is an integer number (864262440).

Almost surely, 213220010230 is an apocalyptic number.

13220010230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13220010230 is an abundant number, since it is smaller than the sum of its proper divisors (14436387850).

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

13220010230 is a wasteful number, since it uses less digits than its factorization.

13220010230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3201044.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 13220010230 its reverse (3201002231), we get a palindrome (16421012461).

The spelling of 13220010230 in words is "thirteen billion, two hundred twenty million, ten thousand, two hundred thirty".

Divisors: 1 2 5 7 10 14 35 59 70 118 295 413 590 826 2065 4130 3200971 6401942 16004855 22406797 32009710 44813594 112033985 188857289 224067970 377714578 944286445 1322001023 1888572890 2644002046 6610005115 13220010230