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133230123013 = 1343103237767
BaseRepresentation
bin111110000010100100…
…0100101100000000101
3110201220000222111101111
41330011020211200011
54140323402414023
6141112143525021
712424365234421
oct1740510454005
9421800874344
10133230123013
1151558a27389
12219a25b9771
13c74315c320
14663c495b81
1536eb71200d
hex1f05225805

133230123013 has 8 divisors (see below), whose sum is σ = 143482526208. Its totient is φ = 122978281584.

The previous prime is 133230122983. The next prime is 133230123023. The reversal of 133230123013 is 310321032331.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-133230123013 is a prime.

It is a super-2 number, since 2×1332301230132 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133230123023) 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, 441456 + ... + 679222.

It is an arithmetic number, because the mean of its divisors is an integer number (17935315776).

Almost surely, 2133230123013 is an apocalyptic number.

133230123013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

133230123013 is a deficient number, since it is larger than the sum of its proper divisors (10252403195).

133230123013 is a wasteful number, since it uses less digits than its factorization.

133230123013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280883.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 133230123013 its reverse (310321032331), we get a palindrome (443551155344).

The spelling of 133230123013 in words is "one hundred thirty-three billion, two hundred thirty million, one hundred twenty-three thousand, thirteen".

Divisors: 1 13 43103 237767 560339 3090971 10248471001 133230123013