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6252705292681 = 4728326412
BaseRepresentation
bin101101011111101001001…
…0001110010000110001001
3211010202022210010111220201
41122333102101302012021
51304421020023331211
621144241514252201
71213512603026461
oct132772221620611
924122283114821
106252705292681
111aa0837148081
1284b996427061
13364820a39493
141788bda10ba1
15ac9a95300c1
hex5afd2472189

6252705292681 has 27 divisors (see below), whose sum is σ = 6476574076903. Its totient is φ = 6036506017280.

The previous prime is 6252705292567. The next prime is 6252705292721. The reversal of 6252705292681 is 1862925072526.

The square root of 6252705292681 is 2500541.

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

6252705292681 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 5643993252681 + 608712040000 = 2375709^2 + 780200^2 .

It is not a de Polignac number, because 6252705292681 - 211 = 6252705290633 is a prime.

It is a super-3 number, since 3×62527052926813 (a number of 39 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6252705292181) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 9754610121 + ... + 9754610761.

Almost surely, 26252705292681 is an apocalyptic number.

6252705292681 is the 2500541-st square number.

6252705292681 is the 1250271-st centered octagonal number.

It is an amenable number.

6252705292681 is a deficient number, since it is larger than the sum of its proper divisors (223868784222).

6252705292681 is an frugal number, since it uses more digits than its factorization.

6252705292681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1542 (or 771 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 55.

The spelling of 6252705292681 in words is "six trillion, two hundred fifty-two billion, seven hundred five million, two hundred ninety-two thousand, six hundred eighty-one".

Divisors: 1 47 83 641 2209 3901 6889 30127 53203 183347 323783 410881 1415969 2500541 4415849 15217801 19311407 34103123 117525427 207544903 907636129 1602846781 2830559209 9754610441 75333798707 133036282823 6252705292681