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13421037285 = 335107929113
BaseRepresentation
bin11000111111111010…
…01100011011100101
31021122100001100001000
430133331030123211
5204441241143120
610055431223513
7653404635405
oct143775143345
937570040030
1013421037285
115767909a57
122726817b99
13135b69a8a6
14914648805
155383bd990
hex31ff4c6e5

13421037285 has 32 divisors (see below), whose sum is σ = 24082634880. Its totient is φ = 7090982784.

The previous prime is 13421037283. The next prime is 13421037313. The reversal of 13421037285 is 58273012431.

13421037285 is a `hidden beast` number, since 1 + 342 + 1 + 0 + 37 + 285 = 666.

It is not a de Polignac number, because 13421037285 - 21 = 13421037283 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13421037283) 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, 450112 + ... + 479001.

It is an arithmetic number, because the mean of its divisors is an integer number (752582340).

Almost surely, 213421037285 is an apocalyptic number.

13421037285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13421037285 is a deficient number, since it is larger than the sum of its proper divisors (10661597595).

13421037285 is a wasteful number, since it uses less digits than its factorization.

13421037285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 929234 (or 929228 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The spelling of 13421037285 in words is "thirteen billion, four hundred twenty-one million, thirty-seven thousand, two hundred eighty-five".

Divisors: 1 3 5 9 15 27 45 107 135 321 535 963 1605 2889 4815 14445 929113 2787339 4645565 8362017 13936695 25086051 41810085 99415091 125430255 298245273 497075455 894735819 1491226365 2684207457 4473679095 13421037285