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13030550225 = 5271119734361
BaseRepresentation
bin11000010001010111…
…00110101011010001
31020122010021112111022
430020223212223101
5203141310101400
65553001525225
7640623564230
oct141053465321
936563245438
1013030550225
115587451280
122637aa3815
1312c880a264
148b883cb17
15513e88b85
hex308ae6ad1

13030550225 has 48 divisors (see below), whose sum is σ = 20247739776. Its totient is φ = 8081472000.

The previous prime is 13030550191. The next prime is 13030550233. The reversal of 13030550225 is 52205503031.

It is not a de Polignac number, because 13030550225 - 28 = 13030549969 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13030550194 and 13030550203.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 362045 + ... + 396405.

It is an arithmetic number, because the mean of its divisors is an integer number (421827912).

Almost surely, 213030550225 is an apocalyptic number.

It is an amenable number.

13030550225 is a deficient number, since it is larger than the sum of its proper divisors (7217189551).

13030550225 is a wasteful number, since it uses less digits than its factorization.

13030550225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34586 (or 34581 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 26.

The spelling of 13030550225 in words is "thirteen billion, thirty million, five hundred fifty thousand, two hundred twenty-five".

Divisors: 1 5 7 11 25 35 55 77 175 197 275 385 985 1379 1925 2167 4925 6895 10835 15169 34361 34475 54175 75845 171805 240527 377971 379225 859025 1202635 1889855 2645797 6013175 6769117 9449275 13228985 33845585 47383819 66144925 74460287 169227925 236919095 372301435 521222009 1184595475 1861507175 2606110045 13030550225