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245315550024240 = 243561160922434643
BaseRepresentation
bin110111110001110011111010…
…001101111001001000110000
31012011120221022110201022010220
4313301303322031321020300
5224123222221301233430
62225424224034253040
7102446315006160603
oct6761637215711060
91164527273638126
10245315550024240
117118a816697583
122361b969427180
13a6b6207213a77
14448149bca633a
151d56348deb110
hexdf1cfa379230

245315550024240 has 320 divisors, whose sum is σ = 773936919866880. Its totient is φ = 64262558638080.

The previous prime is 245315550024211. The next prime is 245315550024241. The reversal of 245315550024240 is 42420055513542.

It is a junction number, because it is equal to n+sod(n) for n = 245315550024192 and 245315550024201.

It is not an unprimeable number, because it can be changed into a prime (245315550024241) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 52835567359 + ... + 52835572001.

It is an arithmetic number, because the mean of its divisors is an integer number (2418552874584).

Almost surely, 2245315550024240 is an apocalyptic number.

245315550024240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 245315550024240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (386968459933440).

245315550024240 is an abundant number, since it is smaller than the sum of its proper divisors (528621369842640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245315550024240 is a wasteful number, since it uses less digits than its factorization.

245315550024240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8572 (or 8566 counting only the distinct ones).

The product of its (nonzero) digits is 960000, while the sum is 42.

The spelling of 245315550024240 in words is "two hundred forty-five trillion, three hundred fifteen billion, five hundred fifty million, twenty-four thousand, two hundred forty".