Search a number
-
+
245555045503215 = 3572338619480983
BaseRepresentation
bin110111110101010010111101…
…010000101001000011101111
31012012102211111022201012101220
4313311102331100221003233
5224141133213122100330
62230130233001434423
7102502523640151620
oct6765227520510357
91165384438635356
10245555045503215
1171272345641698
122365a267a9ba13
13a702983c09636
14448ccdb543a47
151d5c6b48e9710
hexdf54bd4290ef

245555045503215 has 16 divisors (see below), whose sum is σ = 449014940348928. Its totient is φ = 112253735087136.

The previous prime is 245555045503199. The next prime is 245555045503219. The reversal of 245555045503215 is 512305540555542.

It is not a de Polignac number, because 245555045503215 - 24 = 245555045503199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245555045503219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1169309740387 + ... + 1169309740596.

It is an arithmetic number, because the mean of its divisors is an integer number (28063433771808).

Almost surely, 2245555045503215 is an apocalyptic number.

245555045503215 is a deficient number, since it is larger than the sum of its proper divisors (203459894845713).

245555045503215 is a wasteful number, since it uses less digits than its factorization.

245555045503215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2338619480998.

The product of its (nonzero) digits is 15000000, while the sum is 51.

The spelling of 245555045503215 in words is "two hundred forty-five trillion, five hundred fifty-five billion, forty-five million, five hundred three thousand, two hundred fifteen".

Divisors: 1 3 5 7 15 21 35 105 2338619480983 7015858442949 11693097404915 16370336366881 35079292214745 49111009100643 81851681834405 245555045503215