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1357574766681 = 37292229186809
BaseRepresentation
bin10011110000010101110…
…000110000000001011001
311210210010201102122022010
4103300111300300001121
5134220303120013211
62515354454420133
7200036653056120
oct23602560600131
94723121378263
101357574766681
114838206225a1
1219b135061649
139b032272513
14499c7cd0ab7
15254a87ba4a6
hex13c15c30059

1357574766681 has 16 divisors (see below), whose sum is σ = 2140019337600. Its totient is φ = 749006767488.

The previous prime is 1357574766661. The next prime is 1357574766683. The reversal of 1357574766681 is 1866674757531.

It is not a de Polignac number, because 1357574766681 - 219 = 1357574242393 is a prime.

It is a super-2 number, since 2×13575747666812 (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1357574766683) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1114592796 + ... + 1114594013.

It is an arithmetic number, because the mean of its divisors is an integer number (133751208600).

Almost surely, 21357574766681 is an apocalyptic number.

It is an amenable number.

1357574766681 is a deficient number, since it is larger than the sum of its proper divisors (782444570919).

1357574766681 is a wasteful number, since it uses less digits than its factorization.

1357574766681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2229186848.

The product of its digits is 177811200, while the sum is 66.

The spelling of 1357574766681 in words is "one trillion, three hundred fifty-seven billion, five hundred seventy-four million, seven hundred sixty-six thousand, six hundred eighty-one".

Divisors: 1 3 7 21 29 87 203 609 2229186809 6687560427 15604307663 46812922989 64646417461 193939252383 452524922227 1357574766681