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1080073780 = 22579683591
BaseRepresentation
bin100000001100000…
…1001111000110100
32210021100102200121
41000120021320310
54202444330110
6255101421324
735523322102
oct10030117064
92707312617
101080073780
11504745465
1226186a844
131429c5016
14a3632c72
1564c4bcda
hex40609e34

1080073780 has 24 divisors (see below), whose sum is σ = 2296869120. Its totient is φ = 426560160.

The previous prime is 1080073777. The next prime is 1080073781. The reversal of 1080073780 is 873700801.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1080073781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 340216 + ... + 343375.

It is an arithmetic number, because the mean of its divisors is an integer number (95702880).

Almost surely, 21080073780 is an apocalyptic number.

1080073780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1080073780 is an abundant number, since it is smaller than the sum of its proper divisors (1216795340).

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

1080073780 is a wasteful number, since it uses less digits than its factorization.

1080073780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 683679 (or 683677 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 34.

The square root of 1080073780 is about 32864.4759580919. The cubic root of 1080073780 is about 1026.0089308120.

The spelling of 1080073780 in words is "one billion, eighty million, seventy-three thousand, seven hundred eighty".

Divisors: 1 2 4 5 10 20 79 158 316 395 790 1580 683591 1367182 2734364 3417955 6835910 13671820 54003689 108007378 216014756 270018445 540036890 1080073780