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785080138752 = 2103672132127
BaseRepresentation
bin10110110110010100110…
…11000011110000000000
32210001102120210021000000
423123022123003300000
5100330321003420002
61400354424000000
7110502006034200
oct13331233036000
92701376707000
10785080138752
11282a502a9158
121081a1900000
1359056c0bc00
1429dd8a42400
151564d55c61c
hexb6ca6c3c00

785080138752 has 1386 divisors, whose sum is σ = 2987266163328. Its totient is φ = 205423755264.

The previous prime is 785080138741. The next prime is 785080138811. The reversal of 785080138752 is 257831080587.

785080138752 is a `hidden beast` number, since 7 + 8 + 508 + 0 + 1 + 3 + 87 + 52 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

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 125 ways as a sum of consecutive naturals, for example, 6181733313 + ... + 6181733439.

Almost surely, 2785080138752 is an apocalyptic number.

785080138752 is a gapful number since it is divisible by the number (72) 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 785080138752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1493633081664).

785080138752 is an abundant number, since it is smaller than the sum of its proper divisors (2202186024576).

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

785080138752 is a wasteful number, since it uses less digits than its factorization.

785080138752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205 (or 152 counting only the distinct ones).

The product of its (nonzero) digits is 3763200, while the sum is 54.

The spelling of 785080138752 in words is "seven hundred eighty-five billion, eighty million, one hundred thirty-eight thousand, seven hundred fifty-two".