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706490789830 = 25747969210401
BaseRepresentation
bin10100100011111100010…
…00011110111111000110
32111112120120001200111021
422101332020132333012
543033343120233310
61300320221301354
7102020333426020
oct12217610367706
92445516050437
10706490789830
112526916a6111
12b4b0a40485a
1351811114897
14262a138d010
151359dd395da
hexa47e21efc6

706490789830 has 32 divisors (see below), whose sum is σ = 1453389687360. Its totient is φ = 242219212800.

The previous prime is 706490789813. The next prime is 706490789831. The reversal of 706490789830 is 38987094607.

It is a super-2 number, since 2×7064907898302 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (706490789831) 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, 3252630 + ... + 3463030.

It is an arithmetic number, because the mean of its divisors is an integer number (45418427730).

Almost surely, 2706490789830 is an apocalyptic number.

706490789830 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

706490789830 is an abundant number, since it is smaller than the sum of its proper divisors (746898897530).

706490789830 is a wasteful number, since it uses less digits than its factorization.

706490789830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258384.

The product of its (nonzero) digits is 18289152, while the sum is 61.

The spelling of 706490789830 in words is "seven hundred six billion, four hundred ninety million, seven hundred eighty-nine thousand, eight hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 47969 95938 210401 239845 335783 420802 479690 671566 1052005 1472807 1678915 2104010 2945614 3357830 7364035 14728070 10092725569 20185451138 50463627845 70649078983 100927255690 141298157966 353245394915 706490789830