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28854074701 = 234726692021
BaseRepresentation
bin11010110111110101…
…100011110101001101
32202110220000212101101
4122313311203311031
5433043120342301
621131054543101
72041013405524
oct326765436515
982426025341
1028854074701
1111267411431
125713207a91
13294ab548aa
14157a1934bb
15b3d220701
hex6b7d63d4d

28854074701 has 8 divisors (see below), whose sum is σ = 30749209344. Its totient is φ = 27012324240.

The previous prime is 28854074651. The next prime is 28854074713. The reversal of 28854074701 is 10747045882.

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

It is not a de Polignac number, because 28854074701 - 27 = 28854074573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28854074731) 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, 13344930 + ... + 13347091.

It is an arithmetic number, because the mean of its divisors is an integer number (3843651168).

Almost surely, 228854074701 is an apocalyptic number.

It is an amenable number.

28854074701 is a deficient number, since it is larger than the sum of its proper divisors (1895134643).

28854074701 is a wasteful number, since it uses less digits than its factorization.

28854074701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26692091.

The product of its (nonzero) digits is 501760, while the sum is 46.

The spelling of 28854074701 in words is "twenty-eight billion, eight hundred fifty-four million, seventy-four thousand, seven hundred one".

Divisors: 1 23 47 1081 26692021 613916483 1254524987 28854074701