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1798132233872 = 24138644866509
BaseRepresentation
bin11010001010101001000…
…010000111011010010000
320100220021221000211000102
4122022221002013122100
5213430033322440442
63454014530111532
7243624251542532
oct32125102073220
96326257024012
101798132233872
11633646850317
122505a6a1b5a8
131007422b9350
146305c6d5852
1531b90ab6232
hex1a2a9087690

1798132233872 has 20 divisors (see below), whose sum is σ = 3751872065340. Its totient is φ = 829907184768.

The previous prime is 1798132233869. The next prime is 1798132233907. The reversal of 1798132233872 is 2783322318971.

It can be written as a sum of positive squares in 2 ways, for example, as 296615301376 + 1501516932496 = 544624^2 + 1225364^2 .

It is a super-2 number, since 2×17981322338722 (a number of 25 digits) contains 22 as substring.

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, 4322433047 + ... + 4322433462.

It is an arithmetic number, because the mean of its divisors is an integer number (187593603267).

Almost surely, 21798132233872 is an apocalyptic number.

It is an amenable number.

1798132233872 is an abundant number, since it is smaller than the sum of its proper divisors (1953739831468).

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

1798132233872 is a wasteful number, since it uses less digits than its factorization.

1798132233872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8644866530 (or 8644866524 counting only the distinct ones).

The product of its digits is 6096384, while the sum is 56.

The spelling of 1798132233872 in words is "one trillion, seven hundred ninety-eight billion, one hundred thirty-two million, two hundred thirty-three thousand, eight hundred seventy-two".

Divisors: 1 2 4 8 13 16 26 52 104 208 8644866509 17289733018 34579466036 69158932072 112383264617 138317864144 224766529234 449533058468 899066116936 1798132233872