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1081973064 = 233291554559
BaseRepresentation
bin100000001111101…
…1001100101001000
32210101220221000110
41000133121211020
54203441114224
6255210234320
735545422264
oct10037314510
92711827013
101081973064
11505822417
122624259a0
1314320b663
14a39a90a4
1564ec4929
hex407d9948

1081973064 has 32 divisors (see below), whose sum is σ = 2798208000. Its totient is φ = 348220992.

The previous prime is 1081973063. The next prime is 1081973083. The reversal of 1081973064 is 4603791801.

It is a super-2 number, since 2×10819730642 = 2341331422443096192, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1081973063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 776584 + ... + 777975.

It is an arithmetic number, because the mean of its divisors is an integer number (87444000).

Almost surely, 21081973064 is an apocalyptic number.

It is an amenable number.

1081973064 is an abundant number, since it is smaller than the sum of its proper divisors (1716234936).

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

1081973064 is a wasteful number, since it uses less digits than its factorization.

1081973064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1554597 (or 1554593 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 1081973064 is about 32893.3589649947. The cubic root of 1081973064 is about 1026.6099827215.

The spelling of 1081973064 in words is "one billion, eighty-one million, nine hundred seventy-three thousand, sixty-four".

Divisors: 1 2 3 4 6 8 12 24 29 58 87 116 174 232 348 696 1554559 3109118 4663677 6218236 9327354 12436472 18654708 37309416 45082211 90164422 135246633 180328844 270493266 360657688 540986532 1081973064