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1057868730061 = 11137397683427
BaseRepresentation
bin11110110010011011110…
…00111100111011001101
310202010112200122111111121
433121031320330323031
5114313003343330221
62125551142120541
7136266654561523
oct17311570747315
93663480574447
101057868730061
11378704357340
12151032120151
13789ab309b50
14392b5c30313
151c7b6d26a41
hexf64de3cecd

1057868730061 has 8 divisors (see below), whose sum is σ = 1242810815904. Its totient is φ = 887722011120.

The previous prime is 1057868730031. The next prime is 1057868730089. The reversal of 1057868730061 is 1600378687501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1057868730061 is a prime.

It is a super-2 number, since 2×10578687300612 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1057868729990 and 1057868730008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1057868730031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3698841571 + ... + 3698841856.

It is an arithmetic number, because the mean of its divisors is an integer number (155351351988).

Almost surely, 21057868730061 is an apocalyptic number.

1057868730061 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1057868730061 is a deficient number, since it is larger than the sum of its proper divisors (184942085843).

1057868730061 is a wasteful number, since it uses less digits than its factorization.

1057868730061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7397683451.

The product of its (nonzero) digits is 1693440, while the sum is 52.

The spelling of 1057868730061 in words is "one trillion, fifty-seven billion, eight hundred sixty-eight million, seven hundred thirty thousand, sixty-one".

Divisors: 1 11 13 143 7397683427 81374517697 96169884551 1057868730061