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1307651712676 = 2271280532
BaseRepresentation
bin10011000001110110000…
…111011010011010100100
311122000021111101201201221
4103001312013122122210
5132411032314301201
62440421002230124
7163321554106531
oct23016607323244
94560244351657
101307651712676
11464632335181
12191521ab5344
1396407433a8a
144740d8add88
1524035a744a1
hex130761da6a4

1307651712676 has 27 divisors (see below), whose sum is σ = 2321363565633. Its totient is φ = 644536994640.

The previous prime is 1307651712673. The next prime is 1307651712743. The reversal of 1307651712676 is 6762171567031.

The square root of 1307651712676 is 1143526.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1012176844900 + 295474867776 = 1006070^2 + 543576^2 .

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1307651712673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 162376666 + ... + 162384718.

Almost surely, 21307651712676 is an apocalyptic number.

1307651712676 is the 1143526-th square number.

It is an amenable number.

1307651712676 is a deficient number, since it is larger than the sum of its proper divisors (1013711852957).

1307651712676 is an frugal number, since it uses more digits than its factorization.

1307651712676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16252 (or 8126 counting only the distinct ones).

The product of its (nonzero) digits is 2222640, while the sum is 52.

The spelling of 1307651712676 in words is "one trillion, three hundred seven billion, six hundred fifty-one million, seven hundred twelve thousand, six hundred seventy-six".

Divisors: 1 2 4 71 142 284 5041 8053 10082 16106 20164 32212 571763 1143526 2287052 40595173 64850809 81190346 129701618 162380692 259403236 4604407439 9208814878 18417629756 326912928169 653825856338 1307651712676