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245755655041 = 1318904281157
BaseRepresentation
bin1110010011100000101…
…1011011001110000001
3212111100010121210101211
43210320023123032001
513011301421430131
6304522032330121
723520024413131
oct3447013331601
9774303553354
10245755655041
119525172a046
123b7670a3941
131a236957a80
14bc74c54ac1
1565d53ca5b1
hex39382db381

245755655041 has 4 divisors (see below), whose sum is σ = 264659936212. Its totient is φ = 226851373872.

The previous prime is 245755655029. The next prime is 245755655053. The reversal of 245755655041 is 140556557542.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (245755655029) and next prime (245755655053).

It can be written as a sum of positive squares in 2 ways, for example, as 117834979441 + 127920675600 = 343271^2 + 357660^2 .

It is a cyclic number.

It is not a de Polignac number, because 245755655041 - 25 = 245755655009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245755655071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9452140566 + ... + 9452140591.

It is an arithmetic number, because the mean of its divisors is an integer number (66164984053).

Almost surely, 2245755655041 is an apocalyptic number.

It is an amenable number.

245755655041 is a deficient number, since it is larger than the sum of its proper divisors (18904281171).

245755655041 is a wasteful number, since it uses less digits than its factorization.

245755655041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18904281170.

The product of its (nonzero) digits is 4200000, while the sum is 49.

The spelling of 245755655041 in words is "two hundred forty-five billion, seven hundred fifty-five million, six hundred fifty-five thousand, forty-one".

Divisors: 1 13 18904281157 245755655041