Search a number
-
+
1307129536 = 2620423899
BaseRepresentation
bin100110111101001…
…0011011011000000
310101002121001122001
41031322103123000
510134111121121
6333412153344
744251263166
oct11572233300
93332531561
101307129536
11610927849
12305908854
1317aa6313b
14c5859236
1579b4c991
hex4de936c0

1307129536 has 14 divisors (see below), whose sum is σ = 2593835300. Its totient is φ = 653564736.

The previous prime is 1307129521. The next prime is 1307129543. The reversal of 1307129536 is 6359217031.

It is a junction number, because it is equal to n+sod(n) for n = 1307129495 and 1307129504.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10211886 + ... + 10212013.

It is an arithmetic number, because the mean of its divisors is an integer number (185273950).

Almost surely, 21307129536 is an apocalyptic number.

1307129536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1307129536 is a deficient number, since it is larger than the sum of its proper divisors (1286705764).

1307129536 is an equidigital number, since it uses as much as digits as its factorization.

1307129536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20423911 (or 20423901 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 37.

The square root of 1307129536 is about 36154.2464449199. The cubic root of 1307129536 is about 1093.3844070265.

The spelling of 1307129536 in words is "one billion, three hundred seven million, one hundred twenty-nine thousand, five hundred thirty-six".

Divisors: 1 2 4 8 16 32 64 20423899 40847798 81695596 163391192 326782384 653564768 1307129536