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2134729753 = 1321372673
BaseRepresentation
bin111111100111101…
…0110010000011001
312111202212111200221
41333033112100121
513332442323003
6551454400041
7103620621622
oct17717262031
95452774627
102134729753
119a5aaa072
124b6b00021
1328035a900
1416372aa49
15c76277bd
hex7f3d6419

2134729753 has 18 divisors (see below), whose sum is σ = 2332027194. Its totient is φ = 1953229824.

The previous prime is 2134729721. The next prime is 2134729787. The reversal of 2134729753 is 3579274312.

It can be written as a sum of positive squares in 9 ways, for example, as 1063607769 + 1071121984 = 32613^2 + 32728^2 .

It is not a de Polignac number, because 2134729753 - 25 = 2134729721 is a prime.

It is a super-2 number, since 2×21347297532 = 9114142236686882018, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2134729853) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3171625 + ... + 3172297.

Almost surely, 22134729753 is an apocalyptic number.

It is an amenable number.

2134729753 is a deficient number, since it is larger than the sum of its proper divisors (197297441).

2134729753 is an equidigital number, since it uses as much as digits as its factorization.

2134729753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 973 (or 823 counting only the distinct ones).

The product of its digits is 317520, while the sum is 43.

The square root of 2134729753 is about 46203.1357485615. The cubic root of 2134729753 is about 1287.5999991202.

The spelling of 2134729753 in words is "two billion, one hundred thirty-four million, seven hundred twenty-nine thousand, seven hundred fifty-three".

Divisors: 1 13 137 169 673 1781 8749 18769 23153 92201 113737 243997 1198613 3171961 12631537 15581969 164209981 2134729753