Search a number
-
+
401079868807 is a prime number
BaseRepresentation
bin1011101011000100011…
…10010001110110000111
31102100020221112101111211
411311202032101312013
523032402421300212
6504130433312251
740656063430402
oct5654216216607
91370227471454
10401079868807
11145108147862
1265894a05687
132ba8b290c77
14155ab780d39
15a6766049a7
hex5d62391d87

401079868807 has 2 divisors, whose sum is σ = 401079868808. Its totient is φ = 401079868806.

The previous prime is 401079868757. The next prime is 401079868817. The reversal of 401079868807 is 708868970104.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-401079868807 is a prime.

It is a super-2 number, since 2×4010798688072 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (401079868817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200539934403 + 200539934404.

It is an arithmetic number, because the mean of its divisors is an integer number (200539934404).

Almost surely, 2401079868807 is an apocalyptic number.

401079868807 is a deficient number, since it is larger than the sum of its proper divisors (1).

401079868807 is an equidigital number, since it uses as much as digits as its factorization.

401079868807 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5419008, while the sum is 58.

The spelling of 401079868807 in words is "four hundred one billion, seventy-nine million, eight hundred sixty-eight thousand, eight hundred seven".