Search a number
-
+
101320030330021 = 2931731719968941
BaseRepresentation
bin10111000010011001101000…
…011010101001110010100101
3111021202002201010021011201201
4113002121220122221302211
5101240011410231030041
6555253440201522501
730225062542622356
oct2702315032516245
9437662633234651
10101320030330021
112a313646793818
12b4446011a3431
13446c58cca7269
141b03cb66d9d2d
15baa876e52631
hex5c26686a9ca5

101320030330021 has 8 divisors (see below), whose sum is σ = 101671708441464. Its totient is φ = 100968392191680.

The previous prime is 101320030330009. The next prime is 101320030330027. The reversal of 101320030330021 is 120033030023101.

It can be written as a sum of positive squares in 4 ways, for example, as 29013154140996 + 72306876189025 = 5386386^2 + 8503345^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 101320030330021 - 27 = 101320030329893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101320030330027) 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, 4910590 + ... + 15058351.

It is an arithmetic number, because the mean of its divisors is an integer number (12708963555183).

Almost surely, 2101320030330021 is an apocalyptic number.

It is an amenable number.

101320030330021 is a deficient number, since it is larger than the sum of its proper divisors (351678111443).

101320030330021 is a wasteful number, since it uses less digits than its factorization.

101320030330021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19986551.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 101320030330021 its reverse (120033030023101), we get a palindrome (221353060353122).

The spelling of 101320030330021 in words is "one hundred one trillion, three hundred twenty billion, thirty million, three hundred thirty thousand, twenty-one".

Divisors: 1 293 17317 5073881 19968941 5850899713 345802151297 101320030330021