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8238805377 = 311401362213
BaseRepresentation
bin1111010110001001…
…00011000110000001
3210021011202200021220
413223010203012001
5113333113233002
63441310105253
7411110455515
oct75304430601
923234680256
108238805377
113548655470
12171b1ab229
13a13b6628a
145822ac145
1533346c7bc
hex1eb123181

8238805377 has 16 divisors (see below), whose sum is σ = 11986895808. Its totient is φ = 4991890880.

The previous prime is 8238805361. The next prime is 8238805391. The reversal of 8238805377 is 7735088328.

It is a cyclic number.

It is not a de Polignac number, because 8238805377 - 24 = 8238805361 is a prime.

It is a super-2 number, since 2×82388053772 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8238805397) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101323 + ... + 163535.

It is an arithmetic number, because the mean of its divisors is an integer number (749180988).

Almost surely, 28238805377 is an apocalyptic number.

It is an amenable number.

8238805377 is a deficient number, since it is larger than the sum of its proper divisors (3748090431).

8238805377 is a wasteful number, since it uses less digits than its factorization.

8238805377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66240.

The product of its (nonzero) digits is 2257920, while the sum is 51.

The square root of 8238805377 is about 90767.8653323961. The cubic root of 8238805377 is about 2019.7056540200.

The spelling of 8238805377 in words is "eight billion, two hundred thirty-eight million, eight hundred five thousand, three hundred seventy-seven".

Divisors: 1 3 11 33 4013 12039 44143 62213 132429 186639 684343 2053029 249660769 748982307 2746268459 8238805377