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28833640127 = 371524151131
BaseRepresentation
bin11010110110100111…
…100110111010111111
32202102110120200102022
4122312213212322333
5433022402441002
621125044550355
72040344616515
oct326647467277
982373520368
1028833640127
1111256924656
1257083b23bb
13294684b726
1415775944b5
15b3b535ba2
hex6b69e6ebf

28833640127 has 8 divisors (see below), whose sum is σ = 29615449872. Its totient is φ = 28051963200.

The previous prime is 28833640117. The next prime is 28833640223. The reversal of 28833640127 is 72104633882.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-28833640127 is a prime.

It is a super-2 number, since 2×288336401272 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28833640117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 538352 + ... + 589482.

It is an arithmetic number, because the mean of its divisors is an integer number (3701931234).

Almost surely, 228833640127 is an apocalyptic number.

28833640127 is a deficient number, since it is larger than the sum of its proper divisors (781809745).

28833640127 is a wasteful number, since it uses less digits than its factorization.

28833640127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66409.

The product of its (nonzero) digits is 387072, while the sum is 44.

The spelling of 28833640127 in words is "twenty-eight billion, eight hundred thirty-three million, six hundred forty thousand, one hundred twenty-seven".

Divisors: 1 37 15241 51131 563917 1891847 779287571 28833640127