Search a number
-
+
26669090933440 = 26583340909167
BaseRepresentation
bin1100001000001011000011…
…01100010000101011000000
310111102112120210122012000221
412010011201230100223000
511443421244234332230
6132415340005552424
75421530635440664
oct604054154205300
9114375523565027
1026669090933440
11855233062a97a
122ba8794715714
1311b5b66299267
14682b102aa8a4
15313ace57e27a
hex184161b10ac0

26669090933440 has 28 divisors (see below), whose sum is σ = 63505772786016. Its totient is φ = 10667636373248.

The previous prime is 26669090933399. The next prime is 26669090933449. The reversal of 26669090933440 is 4433909096662.

It is a super-2 number, since 2×266690909334402 (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (26669090933449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41670454264 + ... + 41670454903.

Almost surely, 226669090933440 is an apocalyptic number.

26669090933440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26669090933440 is an abundant number, since it is smaller than the sum of its proper divisors (36836681852576).

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

26669090933440 is an equidigital number, since it uses as much as digits as its factorization.

26669090933440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83340909184 (or 83340909174 counting only the distinct ones).

The product of its (nonzero) digits is 45349632, while the sum is 61.

The spelling of 26669090933440 in words is "twenty-six trillion, six hundred sixty-nine billion, ninety million, nine hundred thirty-three thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 160 320 83340909167 166681818334 333363636668 416704545835 666727273336 833409091670 1333454546672 1666818183340 2666909093344 3333636366680 5333818186688 6667272733360 13334545466720 26669090933440