Search a number
-
+
245342315402551 = 2572683725349057
BaseRepresentation
bin110111110010001100110101…
…100011101101010100110111
31012011200111101210111101201201
4313302030311203231110313
5224124142030220340201
62225444412001233331
7102451253201141533
oct6762146543552467
91164614353441651
10245342315402551
11711a0100a90444
1223624b99032847
13a6b88b1407823
1444828ba8b2bc3
151d56db3a88801
hexdf23358ed537

245342315402551 has 16 divisors (see below), whose sum is σ = 246427747641504. Its totient is φ = 244257927266304.

The previous prime is 245342315402533. The next prime is 245342315402633. The reversal of 245342315402551 is 155204513243542.

It is a cyclic number.

It is not a de Polignac number, because 245342315402551 - 215 = 245342315369783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245342315402851) 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, 5001143815 + ... + 5001192871.

It is an arithmetic number, because the mean of its divisors is an integer number (15401734227594).

Almost surely, 2245342315402551 is an apocalyptic number.

245342315402551 is a deficient number, since it is larger than the sum of its proper divisors (1085432238953).

245342315402551 is a wasteful number, since it uses less digits than its factorization.

245342315402551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59250.

The product of its (nonzero) digits is 2880000, while the sum is 46.

The spelling of 245342315402551 in words is "two hundred forty-five trillion, three hundred forty-two billion, three hundred fifteen million, four hundred two thousand, five hundred fifty-one".

Divisors: 1 257 2683 7253 49057 689531 1864021 12607649 19459799 131619931 355810421 5001168343 33826322267 91443278197 954639359543 245342315402551