Search a number
-
+
245845364881 = 4313649418883
BaseRepresentation
bin1110010011110110000…
…1101001000010010001
3212111120101102112011111
43210331201221002101
513011442403134011
6304534555213321
723522164056634
oct3447541510221
9774511375144
10245845364881
1195298332406
123b791147241
131a24c40790c
14bc82b27c1b
1565dd1eb121
hex393d869091

245845364881 has 8 divisors (see below), whose sum is σ = 251581730400. Its totient is φ = 240109864512.

The previous prime is 245845364873. The next prime is 245845364917. The reversal of 245845364881 is 188463548542.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 245845364881 - 23 = 245845364873 is a prime.

It is a super-2 number, since 2×2458453648812 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245845364081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 377466 + ... + 796348.

It is an arithmetic number, because the mean of its divisors is an integer number (31447716300).

Almost surely, 2245845364881 is an apocalyptic number.

It is an amenable number.

245845364881 is a deficient number, since it is larger than the sum of its proper divisors (5736365519).

245845364881 is a wasteful number, since it uses less digits than its factorization.

245845364881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432575.

The product of its digits is 29491200, while the sum is 58.

The spelling of 245845364881 in words is "two hundred forty-five billion, eight hundred forty-five million, three hundred sixty-four thousand, eight hundred eighty-one".

Divisors: 1 43 13649 418883 586907 18011969 5717334067 245845364881