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245342252543541 = 3419195180789613
BaseRepresentation
bin110111110010001100110001…
…110011111010111000110101
31012011200111020102012211101020
4313302030301303322320311
5224124141413122343131
62225444401434051353
7102451251505636236
oct6762146163727065
91164614212184336
10245342252543541
11711a007955754a
1223624b7bb79b59
13a6b88a139944a
1444828b23cd08d
151d56dad2bd996
hexdf2331cfae35

245342252543541 has 8 divisors (see below), whose sum is σ = 327903726551520. Its totient is φ = 163171140115632.

The previous prime is 245342252543533. The next prime is 245342252543567. The reversal of 245342252543541 is 145345252243542.

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

It is not a de Polignac number, because 245342252543541 - 23 = 245342252543533 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245342252543341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97590393550 + ... + 97590396063.

It is an arithmetic number, because the mean of its divisors is an integer number (40987965818940).

Almost surely, 2245342252543541 is an apocalyptic number.

It is an amenable number.

245342252543541 is a deficient number, since it is larger than the sum of its proper divisors (82561474007979).

245342252543541 is a wasteful number, since it uses less digits than its factorization.

245342252543541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195180790035.

The product of its digits is 23040000, while the sum is 51.

The spelling of 245342252543541 in words is "two hundred forty-five trillion, three hundred forty-two billion, two hundred fifty-two million, five hundred forty-three thousand, five hundred forty-one".

Divisors: 1 3 419 1257 195180789613 585542368839 81780750847847 245342252543541