Search a number
-
+
67622100481 = 1340912718093
BaseRepresentation
bin111110111110100101…
…110101111000000001
320110112200220121222001
4332332211311320001
52101442224203411
651022024144001
74612511240665
oct767645657001
9213480817861
1067622100481
1126750a04a61
1211132608001
1364b88c9210
1433b6caa8a5
151b5b9a2dc1
hexfbe975e01

67622100481 has 8 divisors (see below), whose sum is σ = 73001859560. Its totient is φ = 62267778432.

The previous prime is 67622100473. The next prime is 67622100593. The reversal of 67622100481 is 18400122676.

It can be written as a sum of positive squares in 4 ways, for example, as 15725160000 + 51896940481 = 125400^2 + 227809^2 .

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 67622100481 - 23 = 67622100473 is a prime.

It is a super-2 number, since 2×676221004812 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 67622100481.

It is not an unprimeable number, because it can be changed into a prime (67622100451) 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, 6353730 + ... + 6364363.

It is an arithmetic number, because the mean of its divisors is an integer number (9125232445).

Almost surely, 267622100481 is an apocalyptic number.

It is an amenable number.

67622100481 is a deficient number, since it is larger than the sum of its proper divisors (5379759079).

67622100481 is a wasteful number, since it uses less digits than its factorization.

67622100481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12718515.

The product of its (nonzero) digits is 32256, while the sum is 37.

The spelling of 67622100481 in words is "sixty-seven billion, six hundred twenty-two million, one hundred thousand, four hundred eighty-one".

Divisors: 1 13 409 5317 12718093 165335209 5201700037 67622100481