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26323143340 = 22513611659719
BaseRepresentation
bin11000100000111110…
…110100101010101100
32111221111122020020211
4120200332310222230
5412402211041330
620032004152204
71621212012064
oct304076645254
974844566224
1026323143340
111018880121a
125127698664
1326366b5580
1413b9db03a4
15a40e34d2a
hex620fb4aac

26323143340 has 48 divisors (see below), whose sum is σ = 60506752320. Its totient is φ = 9559975680.

The previous prime is 26323143307. The next prime is 26323143373. The reversal of 26323143340 is 4334132362.

It is an interprime number because it is at equal distance from previous prime (26323143307) and next prime (26323143373).

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 15 ways as a sum of consecutive naturals, for example, 814000 + ... + 845719.

It is an arithmetic number, because the mean of its divisors is an integer number (1260557340).

Almost surely, 226323143340 is an apocalyptic number.

26323143340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26323143340 is an abundant number, since it is smaller than the sum of its proper divisors (34183608980).

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

26323143340 is a wasteful number, since it uses less digits than its factorization.

26323143340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1659802 (or 1659800 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 31.

The spelling of 26323143340 in words is "twenty-six billion, three hundred twenty-three million, one hundred forty-three thousand, three hundred forty".

Divisors: 1 2 4 5 10 13 20 26 52 61 65 122 130 244 260 305 610 793 1220 1586 3172 3965 7930 15860 1659719 3319438 6638876 8298595 16597190 21576347 33194380 43152694 86305388 101242859 107881735 202485718 215763470 404971436 431526940 506214295 1012428590 1316157167 2024857180 2632314334 5264628668 6580785835 13161571670 26323143340