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28590218050 = 2524911164571
BaseRepresentation
bin11010101000000111…
…000001101101000010
32201210111112120002211
4122220013001231002
5432023043434200
621044551332334
72031330562252
oct325007015502
981714476084
1028590218050
1111141483a89
12565a9810aa
1329082a00b4
14155310b962
15b24ea0aba
hex6a81c1b42

28590218050 has 24 divisors (see below), whose sum is σ = 53286156432. Its totient is φ = 11412786000.

The previous prime is 28590218047. The next prime is 28590218077. The reversal of 28590218050 is 5081209582.

It is a junction number, because it is equal to n+sod(n) for n = 28590217994 and 28590218012.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 557736 + ... + 606835.

It is an arithmetic number, because the mean of its divisors is an integer number (2220256518).

Almost surely, 228590218050 is an apocalyptic number.

28590218050 is a deficient number, since it is larger than the sum of its proper divisors (24695938382).

28590218050 is a wasteful number, since it uses less digits than its factorization.

28590218050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1165074 (or 1165069 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 40.

The spelling of 28590218050 in words is "twenty-eight billion, five hundred ninety million, two hundred eighteen thousand, fifty".

Divisors: 1 2 5 10 25 50 491 982 2455 4910 12275 24550 1164571 2329142 5822855 11645710 29114275 58228550 571804361 1143608722 2859021805 5718043610 14295109025 28590218050