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245552505142215 = 3517530393382127
BaseRepresentation
bin110111110101010000100101…
…110101111011101111000111
31012012102120221021120111020110
4313311100211311323233013
5224141113012304022330
62230125132533004103
7102502403662352415
oct6765204565735707
91165376837514213
10245552505142215
1171271261680897
1223659879183633
13a70266a81824b
14448cb39dc82b5
151d5c5b6899db0
hexdf5425d7bbc7

245552505142215 has 16 divisors (see below), whose sum is σ = 392886253605888. Its totient is φ = 130960587616416.

The previous prime is 245552505142183. The next prime is 245552505142229. The reversal of 245552505142215 is 512241505255542.

It is not a de Polignac number, because 245552505142215 - 25 = 245552505142183 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44061519 + ... + 49320608.

It is an arithmetic number, because the mean of its divisors is an integer number (24555390850368).

Almost surely, 2245552505142215 is an apocalyptic number.

245552505142215 is a deficient number, since it is larger than the sum of its proper divisors (147333748463673).

245552505142215 is a wasteful number, since it uses less digits than its factorization.

245552505142215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93557438.

The product of its (nonzero) digits is 4000000, while the sum is 48.

The spelling of 245552505142215 in words is "two hundred forty-five trillion, five hundred fifty-two billion, five hundred five million, one hundred forty-two thousand, two hundred fifteen".

Divisors: 1 3 5 15 175303 525909 876515 2629545 93382127 280146381 466910635 1400731905 16370167009481 49110501028443 81850835047405 245552505142215