Search a number
-
+
10231012201 = 30013409201
BaseRepresentation
bin10011000011101000…
…01101101101101001
3222102000110021021211
421201310031231221
5131423114342301
64411114033121
7511351111624
oct114164155551
928360407254
1010231012201
114380159993
121b964187a1
13c70812397
146d0ad8dbb
153ed2e1051
hex261d0db69

10231012201 has 4 divisors (see below), whose sum is σ = 10234424404. Its totient is φ = 10227600000.

The previous prime is 10231012189. The next prime is 10231012229. The reversal of 10231012201 is 10221013201.

10231012201 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10221013201 = 71460144743.

It can be written as a sum of positive squares in 2 ways, for example, as 6476386576 + 3754625625 = 80476^2 + 61275^2 .

It is a cyclic number.

It is not a de Polignac number, because 10231012201 - 27 = 10231012073 is a prime.

It is a super-2 number, since 2×102310122012 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10231012501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1701600 + ... + 1707601.

It is an arithmetic number, because the mean of its divisors is an integer number (2558606101).

Almost surely, 210231012201 is an apocalyptic number.

It is an amenable number.

10231012201 is a deficient number, since it is larger than the sum of its proper divisors (3412203).

10231012201 is an equidigital number, since it uses as much as digits as its factorization.

10231012201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3412202.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 10231012201 its reverse (10221013201), we get a palindrome (20452025402).

The spelling of 10231012201 in words is "ten billion, two hundred thirty-one million, twelve thousand, two hundred one".

Divisors: 1 3001 3409201 10231012201