Search a number
-
+
42648602646 = 2313790769151
BaseRepresentation
bin100111101110000011…
…100000100000010110
311002002020212111021210
4213232003200200112
51144321020241041
631331551322250
73036605066256
oct475603404026
9132066774253
1042648602646
11170a602a451
128322b20386
134038a11870
1420c8261966
1511992b8016
hex9ee0e0816

42648602646 has 32 divisors (see below), whose sum is σ = 91871474688. Its totient is φ = 13120797600.

The previous prime is 42648602641. The next prime is 42648602657. The reversal of 42648602646 is 64620684624.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 42648602595 and 42648602604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42648602641) 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, 582171 + ... + 651321.

It is an arithmetic number, because the mean of its divisors is an integer number (2870983584).

Almost surely, 242648602646 is an apocalyptic number.

42648602646 is an abundant number, since it is smaller than the sum of its proper divisors (49222872042).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42648602646 is a wasteful number, since it uses less digits than its factorization.

42648602646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77076.

The product of its (nonzero) digits is 2654208, while the sum is 48.

The spelling of 42648602646 in words is "forty-two billion, six hundred forty-eight million, six hundred two thousand, six hundred forty-six".

Divisors: 1 2 3 6 13 26 39 78 7907 15814 23721 47442 69151 102791 138302 205582 207453 308373 414906 616746 898963 1797926 2696889 5393778 546776957 1093553914 1640330871 3280661742 7108100441 14216200882 21324301323 42648602646