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10312420301 = 66115601241
BaseRepresentation
bin10011001101010101…
…10000101111001101
3222121200122020012122
421212222300233031
5132104434422201
64423142542325
7513360061211
oct114652605715
928550566178
1010312420301
114412102007
121bb97379a5
13c84646661
146db84a941
15405521e1b
hex266ab0bcd

10312420301 has 4 divisors (see below), whose sum is σ = 10328022204. Its totient is φ = 10296818400.

The previous prime is 10312420291. The next prime is 10312420309. The reversal of 10312420301 is 10302421301.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8226671401 + 2085748900 = 90701^2 + 45670^2 .

It is a cyclic number.

It is not a de Polignac number, because 10312420301 - 210 = 10312419277 is a prime.

It is a super-3 number, since 3×103124203013 (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10312420301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10312420309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7799960 + ... + 7801281.

It is an arithmetic number, because the mean of its divisors is an integer number (2582005551).

Almost surely, 210312420301 is an apocalyptic number.

It is an amenable number.

10312420301 is a deficient number, since it is larger than the sum of its proper divisors (15601903).

10312420301 is an equidigital number, since it uses as much as digits as its factorization.

10312420301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15601902.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 10312420301 its reverse (10302421301), we get a palindrome (20614841602).

The spelling of 10312420301 in words is "ten billion, three hundred twelve million, four hundred twenty thousand, three hundred one".

Divisors: 1 661 15601241 10312420301