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52780050050505 = 3553511085360589
BaseRepresentation
bin11000000000000110100000…
…01000100110110111001001
320220212201112102210102020020
430000003100020212313021
523404222020303104010
6304130453102051053
714055142562102151
oct1400032010466711
9226781472712206
1052780050050505
11158a999130a2a8
125b05163b79a89
13235b1a2a3146b
14d067d4a45761
15617de479d470
hex3000d0226dc9

52780050050505 has 32 divisors (see below), whose sum is σ = 84473038529280. Its totient is φ = 28141041772800.

The previous prime is 52780050050503. The next prime is 52780050050543. The reversal of 52780050050505 is 50505005008725.

It is not a de Polignac number, because 52780050050505 - 21 = 52780050050503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52780050050503) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 871085751 + ... + 871146339.

It is an arithmetic number, because the mean of its divisors is an integer number (2639782454040).

Almost surely, 252780050050505 is an apocalyptic number.

It is an amenable number.

52780050050505 is a deficient number, since it is larger than the sum of its proper divisors (31692988478775).

52780050050505 is a wasteful number, since it uses less digits than its factorization.

52780050050505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76801.

The product of its (nonzero) digits is 350000, while the sum is 42.

The spelling of 52780050050505 in words is "fifty-two trillion, seven hundred eighty billion, fifty million, fifty thousand, five hundred five".

Divisors: 1 3 5 15 5351 10853 16053 26755 32559 54265 60589 80265 162795 181767 302945 908835 58074403 174223209 290372015 324211739 657572417 871116045 972635217 1621058695 1972717251 3287862085 4863176085 9863586255 3518670003367 10556010010101 17593350016835 52780050050505