Search a number
-
+
67900716771 = 323151243159
BaseRepresentation
bin111111001111001100…
…101011011011100011
320111021010011210122220
4333033030223123203
52103030040414041
651105420002123
74622433366246
oct771714533343
9214233153586
1067900716771
1126884203558
12111ab990343
13653154ab24
143401cb525d
151b7618ad66
hexfcf32b6e3

67900716771 has 24 divisors (see below), whose sum is σ = 95102542080. Its totient is φ = 43011262800.

The previous prime is 67900716761. The next prime is 67900716809. The reversal of 67900716771 is 17761700976.

It is not a de Polignac number, because 67900716771 - 229 = 67363845859 is a prime.

It is a super-2 number, since 2×679007167712 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (67900716721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1551690 + ... + 1594848.

It is an arithmetic number, because the mean of its divisors is an integer number (3962605920).

Almost surely, 267900716771 is an apocalyptic number.

67900716771 is a deficient number, since it is larger than the sum of its proper divisors (27201825309).

67900716771 is a wasteful number, since it uses less digits than its factorization.

67900716771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43487 (or 43336 counting only the distinct ones).

The product of its (nonzero) digits is 777924, while the sum is 51.

The spelling of 67900716771 in words is "sixty-seven billion, nine hundred million, seven hundred sixteen thousand, seven hundred seventy-one".

Divisors: 1 3 23 69 151 453 3473 10419 22801 43159 68403 129477 524423 992657 1573269 2977971 6517009 19551027 149891207 449673621 984068359 2952205077 22633572257 67900716771