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23210313007 = 771173269947
BaseRepresentation
bin10101100111011100…
…010100010100101111
32012220120022001210111
4111213130110110233
5340013320004012
614355045320451
71451113256020
oct254734242457
965816261714
1023210313007
119930686772
1245b9106127
13225b81762b
1411a27d6c47
1590ca04ba7
hex56771452f

23210313007 has 16 divisors (see below), whose sum is σ = 27055268352. Its totient is φ = 19500899040.

The previous prime is 23210312947. The next prime is 23210313013. The reversal of 23210313007 is 70031301232.

It is a happy number.

It is not a de Polignac number, because 23210313007 - 223 = 23201924399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23210313017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48993 + ... + 220954.

It is an arithmetic number, because the mean of its divisors is an integer number (1690954272).

Almost surely, 223210313007 is an apocalyptic number.

23210313007 is a deficient number, since it is larger than the sum of its proper divisors (3844955345).

23210313007 is a wasteful number, since it uses less digits than its factorization.

23210313007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270198.

The product of its (nonzero) digits is 756, while the sum is 22.

Adding to 23210313007 its reverse (70031301232), we get a palindrome (93241614239).

The spelling of 23210313007 in words is "twenty-three billion, two hundred ten million, three hundred thirteen thousand, seven".

Divisors: 1 7 71 173 497 1211 12283 85981 269947 1889629 19166237 46700831 134163659 326905817 3315759001 23210313007