Search a number
-
+
67400048407 = 145146450757
BaseRepresentation
bin111110110001010110…
…110001111100010111
320102222020002012210011
4332301112301330113
52101013403022112
650544012541051
74604143646566
oct766126617427
9212866065704
1067400048407
112664762aa4a
1211090181787
1364818c0763
1433955c7bdd
151b4723eaa7
hexfb15b1f17

67400048407 has 4 divisors (see below), whose sum is σ = 67446500616. Its totient is φ = 67353596200.

The previous prime is 67400048389. The next prime is 67400048423. The reversal of 67400048407 is 70484000476.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 67400048407 - 223 = 67391659799 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 67400048407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67400048437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23223928 + ... + 23226829.

It is an arithmetic number, because the mean of its divisors is an integer number (16861625154).

Almost surely, 267400048407 is an apocalyptic number.

67400048407 is a deficient number, since it is larger than the sum of its proper divisors (46452209).

67400048407 is a wasteful number, since it uses less digits than its factorization.

67400048407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46452208.

The product of its (nonzero) digits is 150528, while the sum is 40.

The spelling of 67400048407 in words is "sixty-seven billion, four hundred million, forty-eight thousand, four hundred seven".

Divisors: 1 1451 46450757 67400048407