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12100200009985 = 59772477011261
BaseRepresentation
bin1011000000010100110000…
…0111111001000100000001
31120211202201202002000011101
42300011030013321010001
53041222202200304420
641422431040014401
72356132144026343
oct260051407710401
946752652060141
1012100200009985
1139457364aa40a
121435124601401
1369a07578b019
142db91d425293
1515eb499b760a
hexb014c1f9101

12100200009985 has 8 divisors (see below), whose sum is σ = 14535102085416. Its totient is φ = 9670251959040.

The previous prime is 12100200009973. The next prime is 12100200010027. The reversal of 12100200009985 is 58990000200121.

It can be written as a sum of positive squares in 4 ways, for example, as 4452049360144 + 7648150649841 = 2109988^2 + 2765529^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12100200009985 - 29 = 12100200009473 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1238500746 + ... + 1238510515.

It is an arithmetic number, because the mean of its divisors is an integer number (1816887760677).

Almost surely, 212100200009985 is an apocalyptic number.

It is an amenable number.

12100200009985 is a deficient number, since it is larger than the sum of its proper divisors (2434902075431).

12100200009985 is an equidigital number, since it uses as much as digits as its factorization.

12100200009985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2477012243.

The product of its (nonzero) digits is 12960, while the sum is 37.

The spelling of 12100200009985 in words is "twelve trillion, one hundred billion, two hundred million, nine thousand, nine hundred eighty-five".

Divisors: 1 5 977 4885 2477011261 12385056305 2420040001997 12100200009985