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3387133381 = 53472113537
BaseRepresentation
bin1100100111100011…
…1000110111000101
322202001111012111111
43021320320313011
523414101232011
61320034005021
7146636105302
oct31170706705
98661435444
103387133381
111488a48495
127a6416771
1341c96c548
14241bbc0a9
1514c565121
hexc9e38dc5

3387133381 has 8 divisors (see below), whose sum is σ = 3452027544. Its totient is φ = 3322275840.

The previous prime is 3387133367. The next prime is 3387133391. The reversal of 3387133381 is 1833317833.

It can be written as a sum of positive squares in 4 ways, for example, as 1887120481 + 1500012900 = 43441^2 + 38730^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 3387133381 - 221 = 3385036229 is a prime.

It is a super-2 number, since 2×33871333812 = 22945345081368982322, which 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 (3387133331) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 243445 + ... + 256981.

It is an arithmetic number, because the mean of its divisors is an integer number (431503443).

Almost surely, 23387133381 is an apocalyptic number.

It is an amenable number.

3387133381 is a deficient number, since it is larger than the sum of its proper divisors (64894163).

3387133381 is a wasteful number, since it uses less digits than its factorization.

3387133381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18311.

The product of its digits is 108864, while the sum is 40.

The square root of 3387133381 is about 58199.0840220016. The cubic root of 3387133381 is about 1501.7953881229.

The spelling of 3387133381 in words is "three billion, three hundred eighty-seven million, one hundred thirty-three thousand, three hundred eighty-one".

Divisors: 1 53 4721 13537 250213 717461 63908177 3387133381