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60748939729 = 2464732
BaseRepresentation
bin111000100100111010…
…110100000111010001
312210210200211212220201
4320210322310013101
51443403212032404
643524020335201
74250262316312
oct704472640721
9183720755821
1060748939729
1123844213615
12b934844501
1359619731aa
142d2412a609
1518a8390ca4
hexe24eb41d1

60748939729 has 3 divisors (see below), whose sum is σ = 60749186203. Its totient is φ = 60748693256.

The previous prime is 60748939721. The next prime is 60748939739. The reversal of 60748939729 is 92793984706.

The square root of 60748939729 is 246473.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 8651790225 + 52097149504 = 93015^2 + 228248^2 .

It is not a de Polignac number, because 60748939729 - 23 = 60748939721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (60748939721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 123237 + ... + 369709.

Almost surely, 260748939729 is an apocalyptic number.

60748939729 is the 246473-rd square number.

60748939729 is the 123237-th centered octagonal number.

It is an amenable number.

60748939729 is a deficient number, since it is larger than the sum of its proper divisors (246474).

60748939729 is an frugal number, since it uses more digits than its factorization.

60748939729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492946 (or 246473 counting only the distinct ones).

The product of its (nonzero) digits is 41150592, while the sum is 64.

Multiplying 60748939729 by its sum of digits (64), we get a square (3887932142656 = 19717842).

The spelling of 60748939729 in words is "sixty billion, seven hundred forty-eight million, nine hundred thirty-nine thousand, seven hundred twenty-nine".

Divisors: 1 246473 60748939729