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1307681579253 = 3791168354063
BaseRepresentation
bin10011000001110111111…
…001010110000011110101
311122000100120121002222110
4103001313321112003311
5132411112441014003
62440423550321233
7163322366011230
oct23016771260365
94560316532873
101307681579253
114646481843a5
1219152bab9219
13964106900ca
1447413846417
15240384c3a03
hex13077e560f5

1307681579253 has 16 divisors (see below), whose sum is σ = 1994845003776. Its totient is φ = 746426357040.

The previous prime is 1307681579209. The next prime is 1307681579273. The reversal of 1307681579253 is 3529751867031.

It is not a de Polignac number, because 1307681579253 - 29 = 1307681578741 is a prime.

It is a super-2 number, since 2×13076815792532 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1307681579193 and 1307681579202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1307681579273) 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, 34157901 + ... + 34196162.

It is an arithmetic number, because the mean of its divisors is an integer number (124677812736).

Almost surely, 21307681579253 is an apocalyptic number.

It is an amenable number.

1307681579253 is a deficient number, since it is larger than the sum of its proper divisors (687163424523).

1307681579253 is an equidigital number, since it uses as much as digits as its factorization.

1307681579253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68354984.

The product of its (nonzero) digits is 9525600, while the sum is 57.

The spelling of 1307681579253 in words is "one trillion, three hundred seven billion, six hundred eighty-one million, five hundred seventy-nine thousand, two hundred fifty-three".

Divisors: 1 3 7 21 911 2733 6377 19131 68354063 205062189 478478441 1435435323 62270551393 186811654179 435893859751 1307681579253