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7135254768 = 2437310719031
BaseRepresentation
bin1101010010100101…
…10101100011110000
3200102021020111110010
412221102311203300
5104103111123033
63140005134520
7341550444015
oct65122654360
920367214403
107135254768
113031735574
1214716ba440
13899341455
144b98c770c
152bb634863
hex1a94b58f0

7135254768 has 80 divisors (see below), whose sum is σ = 18860864256. Its totient is φ = 2323791360.

The previous prime is 7135254767. The next prime is 7135254817. The reversal of 7135254768 is 8674525317.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7135254767) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 365413 + ... + 384443.

Almost surely, 27135254768 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7135254768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9430432128).

7135254768 is an abundant number, since it is smaller than the sum of its proper divisors (11725609488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7135254768 is a wasteful number, since it uses less digits than its factorization.

7135254768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19222 (or 19216 counting only the distinct ones).

The product of its digits is 1411200, while the sum is 48.

The square root of 7135254768 is about 84470.4372428603. The cubic root of 7135254768 is about 1925.1732923659.

The spelling of 7135254768 in words is "seven billion, one hundred thirty-five million, two hundred fifty-four thousand, seven hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 73 107 146 214 219 292 321 428 438 584 642 856 876 1168 1284 1712 1752 2568 3504 5136 7811 15622 19031 23433 31244 38062 46866 57093 62488 76124 93732 114186 124976 152248 187464 228372 304496 374928 456744 913488 1389263 2036317 2778526 4072634 4167789 5557052 6108951 8145268 8335578 11114104 12217902 16290536 16671156 22228208 24435804 32581072 33342312 48871608 66684624 97743216 148651141 297302282 445953423 594604564 891906846 1189209128 1783813692 2378418256 3567627384 7135254768