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245152515445501 = 10915674943290369
BaseRepresentation
bin110111101111011100000100…
…100110010101001011111101
31012011000100111022101120200211
4313233130010212111023331
5224113034322423224001
62225221302201352421
7102431453604133216
oct6757340446251375
91164010438346624
10245152515445501
1171127663946504
12235b4249498711
13a6a3a24376831
14447763334840d
151d51ea5d39351
hexdef7049952fd

245152515445501 has 16 divisors (see below), whose sum is σ = 247610439014400. Its totient is φ = 242698452691968.

The previous prime is 245152515445499. The next prime is 245152515445511. The reversal of 245152515445501 is 105544515251542.

It is a cyclic number.

It is not a de Polignac number, because 245152515445501 - 21 = 245152515445499 is a prime.

It is a super-2 number, since 2×2451525154455012 (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245152515445511) 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, 844134045 + ... + 844424413.

It is an arithmetic number, because the mean of its divisors is an integer number (15475652438400).

Almost surely, 2245152515445501 is an apocalyptic number.

It is an amenable number.

245152515445501 is a deficient number, since it is larger than the sum of its proper divisors (2457923568899).

245152515445501 is a wasteful number, since it uses less digits than its factorization.

245152515445501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296988.

The product of its (nonzero) digits is 4000000, while the sum is 49.

The spelling of 245152515445501 in words is "two hundred forty-five trillion, one hundred fifty-two billion, five hundred fifteen million, four hundred forty-five thousand, five hundred one".

Divisors: 1 109 1567 4943 170803 290369 538787 7745681 31650221 455008223 844279229 1435293967 49595896307 156447042403 2249105646289 245152515445501