Search a number
-
+
68837167233 = 3227748135737
BaseRepresentation
bin100000000011100000…
…0111101000010000001
320120200101021102012100
41000013000331002001
52111434303322413
651342351221013
74654564160442
oct1000700750201
9216611242170
1068837167233
112721487165a
1211411517769
136650567523
1434903dd2c9
151bcd4b7a73
hex100703d081

68837167233 has 24 divisors (see below), whose sum is σ = 99828553448. Its totient is φ = 45708302592.

The previous prime is 68837167163. The next prime is 68837167277. The reversal of 68837167233 is 33276173886.

It can be written as a sum of positive squares in 4 ways, for example, as 199809 + 68836967424 = 447^2 + 262368^2 .

It is not a de Polignac number, because 68837167233 - 221 = 68835070081 is a prime.

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 68837167233.

It is not an unprimeable number, because it can be changed into a prime (68837167433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11995941 + ... + 12001677.

Almost surely, 268837167233 is an apocalyptic number.

It is an amenable number.

68837167233 is a deficient number, since it is larger than the sum of its proper divisors (30991386215).

68837167233 is a wasteful number, since it uses less digits than its factorization.

68837167233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10833 (or 10830 counting only the distinct ones).

The product of its digits is 6096384, while the sum is 54.

The spelling of 68837167233 in words is "sixty-eight billion, eight hundred thirty-seven million, one hundred sixty-seven thousand, two hundred thirty-three".

Divisors: 1 3 9 277 831 2493 4813 5737 14439 17211 43317 51633 1333201 1589149 3999603 4767447 11998809 14302341 27612181 82836543 248509629 7648574137 22945722411 68837167233