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13230301020 = 2235247789021
BaseRepresentation
bin11000101001001011…
…00101111101011100
31021011001010221001220
430110211211331130
5204043424113040
610024455133340
7645600463116
oct142445457534
937131127056
1013230301020
11567a183a82
122692974250
13132b007cb1
148d71983b6
155267942d0
hex314965f5c

13230301020 has 48 divisors (see below), whose sum is σ = 37060214688. Its totient is φ = 3526616320.

The previous prime is 13230300997. The next prime is 13230301031. The reversal of 13230301020 is 2010303231.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104110 + ... + 193130.

It is an arithmetic number, because the mean of its divisors is an integer number (772087806).

Almost surely, 213230301020 is an apocalyptic number.

13230301020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13230301020 is an abundant number, since it is smaller than the sum of its proper divisors (23829913668).

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

13230301020 is a wasteful number, since it uses less digits than its factorization.

13230301020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91510 (or 91508 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 13230301020 its reverse (2010303231), we get a palindrome (15240604251).

The spelling of 13230301020 in words is "thirteen billion, two hundred thirty million, three hundred one thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 2477 4954 7431 9908 12385 14862 24770 29724 37155 49540 74310 89021 148620 178042 267063 356084 445105 534126 890210 1068252 1335315 1780420 2670630 5341260 220505017 441010034 661515051 882020068 1102525085 1323030102 2205050170 2646060204 3307575255 4410100340 6615150510 13230301020