Search a number
-
+
26630243445 = 351331575147
BaseRepresentation
bin11000110011010010…
…010100010001110101
32112201220111112101210
4120303102110101311
5414014320242240
620122254312033
71631631222501
oct306322242165
975656445353
1026630243445
1110326095063
1251b24b8619
1326851cb000
141408ab1301
15a5cd97780
hex633494475

26630243445 has 64 divisors (see below), whose sum is σ = 46460494080. Its totient is φ = 13024237824.

The previous prime is 26630243429. The next prime is 26630243447. The reversal of 26630243445 is 54434203662.

It is not a de Polignac number, because 26630243445 - 24 = 26630243429 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26630243447) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5171362 + ... + 5176508.

It is an arithmetic number, because the mean of its divisors is an integer number (725945220).

Almost surely, 226630243445 is an apocalyptic number.

It is an amenable number.

26630243445 is a deficient number, since it is larger than the sum of its proper divisors (19830250635).

26630243445 is a wasteful number, since it uses less digits than its factorization.

26630243445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5351 (or 5325 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 39.

The spelling of 26630243445 in words is "twenty-six billion, six hundred thirty million, two hundred forty-three thousand, four hundred forty-five".

Divisors: 1 3 5 13 15 39 65 157 169 195 471 507 785 845 2041 2197 2355 2535 5147 6123 6591 10205 10985 15441 25735 26533 30615 32955 66911 77205 79599 132665 200733 334555 344929 397995 808079 869843 1003665 1034787 1724645 2424237 2609529 4040395 4349215 5173935 10505027 11307959 12121185 13047645 31515081 33923877 52525135 56539795 136565351 157575405 169619385 409696053 682826755 1775349563 2048480265 5326048689 8876747815 26630243445