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10300231001221 = 76723399389531
BaseRepresentation
bin1001010111100011010110…
…0111000010010010000101
31100110200200210211100200021
42111320311213002102011
52322224333114014341
633523505533215141
72112111216632620
oct225706547022205
940420623740607
1010300231001221
113311337967a17
1211a43066314b1
135993ccaa7035
14278768c02db7
1512cdeca319d1
hex95e359c2485

10300231001221 has 16 divisors (see below), whose sum is σ = 11952498654720. Its totient is φ = 8693277571440.

The previous prime is 10300231001219. The next prime is 10300231001279. The reversal of 10300231001221 is 12210013200301.

It is not a de Polignac number, because 10300231001221 - 21 = 10300231001219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10300231001195 and 10300231001204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10300231001521) 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, 3597775 + ... + 5791756.

It is an arithmetic number, because the mean of its divisors is an integer number (747031165920).

Almost surely, 210300231001221 is an apocalyptic number.

It is an amenable number.

10300231001221 is a deficient number, since it is larger than the sum of its proper divisors (1652267653499).

10300231001221 is an equidigital number, since it uses as much as digits as its factorization.

10300231001221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9391944.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 10300231001221 its reverse (12210013200301), we get a palindrome (22510244201522).

The spelling of 10300231001221 in words is "ten trillion, three hundred billion, two hundred thirty-one million, one thousand, two hundred twenty-one".

Divisors: 1 7 67 469 2339 16373 156713 1096991 9389531 65726717 629098577 4403690039 21962113009 153734791063 1471461571603 10300231001221