Search a number
-
+
67919216148 = 22337267223859
BaseRepresentation
bin111111010000010011…
…001111111000010100
320111022101222200001000
4333100103033320110
52103044304404043
651111320303300
74623046545300
oct772023177024
9214271880030
1067919216148
11268936993a3
12111b6011b30
1365353271c4
14340452cd00
151b77ae22d3
hexfd04cfe14

67919216148 has 288 divisors, whose sum is σ = 209068339200. Its totient is φ = 19007980992.

The previous prime is 67919216129. The next prime is 67919216149. The reversal of 67919216148 is 84161291976.

67919216148 is a `hidden beast` number, since 6 + 7 + 9 + 19 + 2 + 1 + 614 + 8 = 666.

It is a super-2 number, since 2×679192161482 (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 67919216094 and 67919216103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67919216149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 79067343 + ... + 79068201.

Almost surely, 267919216148 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67919216148, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104534169600).

67919216148 is an abundant number, since it is smaller than the sum of its proper divisors (141149123052).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

67919216148 is a wasteful number, since it uses less digits than its factorization.

67919216148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1176 (or 1161 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 54.

The spelling of 67919216148 in words is "sixty-seven billion, nine hundred nineteen million, two hundred sixteen thousand, one hundred forty-eight".