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2085264372240 = 2432572416123633
BaseRepresentation
bin11110010110000011011…
…100010011001000010000
321101100102122210202001200
4132112003130103020100
5233131110134402430
64233542432231200
7303440536465500
oct36260334231020
97340378722050
102085264372240
117343a0414725
1229817a99b500
1312184123013a
1472cda867a00
1539398725460
hex1e583713210

2085264372240 has 720 divisors, whose sum is σ = 8482216697136. Its totient is φ = 457364275200.

The previous prime is 2085264372223. The next prime is 2085264372251. The reversal of 2085264372240 is 422734625802.

2085264372240 is a `hidden beast` number, since 2 + 0 + 85 + 264 + 3 + 72 + 240 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 335157629184 + 1750106743056 = 578928^2 + 1322916^2 .

It is a tau number, because it is divible by the number of its divisors (720).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 88223464 + ... + 88247096.

Almost surely, 22085264372240 is an apocalyptic number.

2085264372240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2085264372240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4241108348568).

2085264372240 is an abundant number, since it is smaller than the sum of its proper divisors (6396952324896).

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

2085264372240 is a wasteful number, since it uses less digits than its factorization.

2085264372240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23768 (or 23752 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 45.

The spelling of 2085264372240 in words is "two trillion, eighty-five billion, two hundred sixty-four million, three hundred seventy-two thousand, two hundred forty".