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1081010708 = 221971371841
BaseRepresentation
bin100000001101110…
…1110101000010100
32210100010000220122
41000123232220110
54203214320313
6255133451112
735534303501
oct10033565024
92710100818
101081010708
11505225388
12262040a98
13142c6260b
14a37d84a8
1564d84708
hex406eea14

1081010708 has 12 divisors (see below), whose sum is σ = 1901373012. Its totient is φ = 537761280.

The previous prime is 1081010701. The next prime is 1081010729. The reversal of 1081010708 is 8070101801.

It can be written as a sum of positive squares in 2 ways, for example, as 652189444 + 428821264 = 25538^2 + 20708^2 .

It is a super-2 number, since 2×10810107082 = 2337168301621322528, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1081010701) 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 3 ways as a sum of consecutive naturals, for example, 685133 + ... + 686708.

It is an arithmetic number, because the mean of its divisors is an integer number (158447751).

Almost surely, 21081010708 is an apocalyptic number.

It is an amenable number.

1081010708 is a deficient number, since it is larger than the sum of its proper divisors (820362304).

1081010708 is a wasteful number, since it uses less digits than its factorization.

1081010708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1372042 (or 1372040 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 26.

The square root of 1081010708 is about 32878.7272868035. The cubic root of 1081010708 is about 1026.3055212497.

The spelling of 1081010708 in words is "one billion, eighty-one million, ten thousand, seven hundred eight".

Divisors: 1 2 4 197 394 788 1371841 2743682 5487364 270252677 540505354 1081010708