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10697779540 = 225776412711
BaseRepresentation
bin10011111011010001…
…10010100101010100
31000121112202111201001
421331220302211110
5133402112421130
64525310313044
7526046424430
oct117550624524
930545674631
1010697779540
11459a688118
1220a67b8784
13101642cc86
14736abd9c0
154292926ca
hex27da32954

10697779540 has 24 divisors (see below), whose sum is σ = 25674671232. Its totient is φ = 3667810080.

The previous prime is 10697779507. The next prime is 10697779559. The reversal of 10697779540 is 4597779601.

10697779540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×106977795402 (a number of 21 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 38206216 + ... + 38206495.

It is an arithmetic number, because the mean of its divisors is an integer number (1069777968).

Almost surely, 210697779540 is an apocalyptic number.

10697779540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10697779540 is an abundant number, since it is smaller than the sum of its proper divisors (14976891692).

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

10697779540 is a wasteful number, since it uses less digits than its factorization.

10697779540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76412727 (or 76412725 counting only the distinct ones).

The product of its (nonzero) digits is 3333960, while the sum is 55.

The spelling of 10697779540 in words is "ten billion, six hundred ninety-seven million, seven hundred seventy-nine thousand, five hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 76412711 152825422 305650844 382063555 534888977 764127110 1069777954 1528254220 2139555908 2674444885 5348889770 10697779540