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101330131021 = 729499163207
BaseRepresentation
bin101111001011110111…
…1110001100001001101
3100200112212111222222121
41132113233301201031
53130011003143041
6114314520212541
710215024621340
oct1362757614115
9320485458877
10101330131021
1139a79243239
121777b30a151
13972b267212
144c93986457
152980dcc7d1
hex1797bf184d

101330131021 has 8 divisors (see below), whose sum is σ = 119799169920. Its totient is φ = 83859418608.

The previous prime is 101330131009. The next prime is 101330131037. The reversal of 101330131021 is 120131033101.

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

It is not a de Polignac number, because 101330131021 - 211 = 101330128973 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101330130986 and 101330131004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101330131621) 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, 249581401 + ... + 249581806.

It is an arithmetic number, because the mean of its divisors is an integer number (14974896240).

Almost surely, 2101330131021 is an apocalyptic number.

It is an amenable number.

101330131021 is a deficient number, since it is larger than the sum of its proper divisors (18469038899).

101330131021 is an equidigital number, since it uses as much as digits as its factorization.

101330131021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499163243.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 101330131021 its reverse (120131033101), we get a palindrome (221461164122).

The spelling of 101330131021 in words is "one hundred one billion, three hundred thirty million, one hundred thirty-one thousand, twenty-one".

Divisors: 1 7 29 203 499163207 3494142449 14475733003 101330131021