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10243440120631 = 122963891304551
BaseRepresentation
bin1001010100001111110010…
…0111000001001100110111
31100021021002221202201011111
42111003330213001030313
52320312031132330011
633441434343415451
72105030665256314
oct225037447011467
940237087681144
1010243440120631
11329a2449a1863
1211952b7454587
13593c4c15c493
14275adc62dd0b
1512b6c6dce121
hex950fc9c1337

10243440120631 has 8 divisors (see below), whose sum is σ = 10253387354400. Its totient is φ = 10233495511200.

The previous prime is 10243440120611. The next prime is 10243440120637. The reversal of 10243440120631 is 13602104434201.

10243440120631 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 10243440120631 - 221 = 10243438023479 is a prime.

It is a super-2 number, since 2×102434401206312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10243440120593 and 10243440120602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10243440120637) 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, 7199806 + ... + 8504356.

It is an arithmetic number, because the mean of its divisors is an integer number (1281673419300).

Almost surely, 210243440120631 is an apocalyptic number.

10243440120631 is a deficient number, since it is larger than the sum of its proper divisors (9947233769).

10243440120631 is a wasteful number, since it uses less digits than its factorization.

10243440120631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1312169.

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 10243440120631 its reverse (13602104434201), we get a palindrome (23845544554832).

The spelling of 10243440120631 in words is "ten trillion, two hundred forty-three billion, four hundred forty million, one hundred twenty thousand, six hundred thirty-one".

Divisors: 1 1229 6389 1304551 7852081 1603293179 8334776339 10243440120631