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1101010209985 = 57158319872037
BaseRepresentation
bin10000000001011001010…
…100101000110011000001
310220020220021221202022101
4100001121110220303001
5121014332103204420
62201444101510401
7142355026241110
oct20013124506301
93806807852271
101101010209985
11394a32618784
12159472112401
137ca9517b76a
143b409711c77
151d98e4ec60a
hex10059528cc1

1101010209985 has 16 divisors (see below), whose sum is σ = 1510910793216. Its totient is φ = 754501462848.

The previous prime is 1101010209947. The next prime is 1101010210031. The reversal of 1101010209985 is 5899020101011.

It is not a de Polignac number, because 1101010209985 - 29 = 1101010209473 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9880614 + ... + 9991423.

It is an arithmetic number, because the mean of its divisors is an integer number (94431924576).

Almost surely, 21101010209985 is an apocalyptic number.

It is an amenable number.

1101010209985 is a deficient number, since it is larger than the sum of its proper divisors (409900583231).

1101010209985 is a wasteful number, since it uses less digits than its factorization.

1101010209985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19873632.

The product of its (nonzero) digits is 6480, while the sum is 37.

The spelling of 1101010209985 in words is "one trillion, one hundred one billion, ten million, two hundred nine thousand, nine hundred eighty-five".

Divisors: 1 5 7 35 1583 7915 11081 55405 19872037 99360185 139104259 695521295 31457434571 157287172855 220202041997 1101010209985