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115438938470845 = 5112098889790379
BaseRepresentation
bin11010001111110110111000…
…111010111011100110111101
3120010201212002002211112202221
4122033312320322323212331
5110112322421222031340
61045303525523045341
733213121336646443
oct3217667072734675
9503655062745687
10115438938470845
1133867419309570
1210b44a0ab10851
134c54acab55142
1420713bb090b93
15d52c7202c44a
hex68fdb8ebb9bd

115438938470845 has 8 divisors (see below), whose sum is σ = 151120064907360. Its totient is φ = 83955591615120.

The previous prime is 115438938470839. The next prime is 115438938470917. The reversal of 115438938470845 is 548074839834511.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 115438938470845 - 23 = 115438938470837 is a prime.

It is a super-2 number, since 2×1154389384708452 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1049444895135 + ... + 1049444895244.

It is an arithmetic number, because the mean of its divisors is an integer number (18890008113420).

Almost surely, 2115438938470845 is an apocalyptic number.

It is an amenable number.

115438938470845 is a deficient number, since it is larger than the sum of its proper divisors (35681126436515).

115438938470845 is a wasteful number, since it uses less digits than its factorization.

115438938470845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2098889790395.

The product of its (nonzero) digits is 464486400, while the sum is 70.

The spelling of 115438938470845 in words is "one hundred fifteen trillion, four hundred thirty-eight billion, nine hundred thirty-eight million, four hundred seventy thousand, eight hundred forty-five".

Divisors: 1 5 11 55 2098889790379 10494448951895 23087787694169 115438938470845