Search a number
-
+
26380920044 = 22192083166643
BaseRepresentation
bin11000100100011011…
…001110010011101100
32112002112100120222202
4120210123032103230
5413012003420134
620041430401032
71622513056223
oct304433162354
975075316882
1026380920044
1110208383766
125142b00178
13264566457b
1413c392dcba
15a46048d7e
hex6246ce4ec

26380920044 has 24 divisors (see below), whose sum is σ = 48620053440. Its totient is φ = 12490151184.

The previous prime is 26380920023. The next prime is 26380920079. The reversal of 26380920044 is 44002908362.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 74987 + ... + 241629.

It is an arithmetic number, because the mean of its divisors is an integer number (2025835560).

Almost surely, 226380920044 is an apocalyptic number.

It is an amenable number.

26380920044 is a deficient number, since it is larger than the sum of its proper divisors (22239133396).

26380920044 is a wasteful number, since it uses less digits than its factorization.

26380920044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168749 (or 168747 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 38.

The spelling of 26380920044 in words is "twenty-six billion, three hundred eighty million, nine hundred twenty thousand, forty-four".

Divisors: 1 2 4 19 38 76 2083 4166 8332 39577 79154 158308 166643 333286 666572 3166217 6332434 12664868 347117369 694234738 1388469476 6595230011 13190460022 26380920044