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50778205404460 = 2252538910270223
BaseRepresentation
bin10111000101110101110001…
…11001010011110100101100
320122210100102102220211121021
423202322320321103310230
523123422231040420320
6255555104023543524
713460414160261232
oct1342727071236454
9218710372824537
1050778205404460
11151a7a09190656
1258411a62baba4
132244497277871
14c7796d1ba952
155d0cce898daa
hex2e2eb8e53d2c

50778205404460 has 12 divisors (see below), whose sum is σ = 106634231349408. Its totient is φ = 20311282161776.

The previous prime is 50778205404359. The next prime is 50778205404503. The reversal of 50778205404460 is 6440450287705.

It is a super-2 number, since 2×507782054044602 (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 50778205404398 and 50778205404407.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1269455135092 + ... + 1269455135131.

It is an arithmetic number, because the mean of its divisors is an integer number (8886185945784).

Almost surely, 250778205404460 is an apocalyptic number.

It is an amenable number.

50778205404460 is an abundant number, since it is smaller than the sum of its proper divisors (55856025944948).

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

50778205404460 is a wasteful number, since it uses less digits than its factorization.

50778205404460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2538910270232 (or 2538910270230 counting only the distinct ones).

The product of its (nonzero) digits is 7526400, while the sum is 52.

The spelling of 50778205404460 in words is "fifty trillion, seven hundred seventy-eight billion, two hundred five million, four hundred four thousand, four hundred sixty".

Divisors: 1 2 4 5 10 20 2538910270223 5077820540446 10155641080892 12694551351115 25389102702230 50778205404460