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7680661743 = 322671129343
BaseRepresentation
bin1110010011100110…
…11001100011101111
3201211021112001011110
413021303121203233
5111212222133433
63310051123103
7361222355556
oct71163314357
921737461143
107680661743
113291595937
1215a42a3493
13955334181
1452c0dcd9d
152ee46b963
hex1c9cd98ef

7680661743 has 8 divisors (see below), whose sum is σ = 10245408768. Its totient is φ = 5118177944.

The previous prime is 7680661739. The next prime is 7680661757. The reversal of 7680661743 is 3471660867.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7680661743 - 22 = 7680661739 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7680661692 and 7680661701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7680661343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 557871 + ... + 571472.

It is an arithmetic number, because the mean of its divisors is an integer number (1280676096).

Almost surely, 27680661743 is an apocalyptic number.

7680661743 is a deficient number, since it is larger than the sum of its proper divisors (2564747025).

7680661743 is a wasteful number, since it uses less digits than its factorization.

7680661743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1131613.

The product of its (nonzero) digits is 1016064, while the sum is 48.

The square root of 7680661743 is about 87639.3846566713. The cubic root of 7680661743 is about 1973.0263244542.

The spelling of 7680661743 in words is "seven billion, six hundred eighty million, six hundred sixty-one thousand, seven hundred forty-three".

Divisors: 1 3 2267 6801 1129343 3388029 2560220581 7680661743