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10645320660 = 22351313647847
BaseRepresentation
bin10011110101000001…
…01011001111010100
31000110220001022122120
421322200223033110
5133300200230120
64520154055540
7524541506202
oct117240531724
930426038576
1010645320660
114573007a77
12209111a5b0
1310085c3610
1472db46072
1542487e140
hex27a82b3d4

10645320660 has 48 divisors (see below), whose sum is σ = 32099738496. Its totient is φ = 2620386432.

The previous prime is 10645320659. The next prime is 10645320683. The reversal of 10645320660 is 6602354601.

10645320660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×106453206602 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 6823144 + ... + 6824703.

It is an arithmetic number, because the mean of its divisors is an integer number (668744552).

Almost surely, 210645320660 is an apocalyptic number.

10645320660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10645320660 is an abundant number, since it is smaller than the sum of its proper divisors (21454417836).

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

10645320660 is a wasteful number, since it uses less digits than its factorization.

10645320660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13647872 (or 13647870 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

The spelling of 10645320660 in words is "ten billion, six hundred forty-five million, three hundred twenty thousand, six hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 13 15 20 26 30 39 52 60 65 78 130 156 195 260 390 780 13647847 27295694 40943541 54591388 68239235 81887082 136478470 163774164 177422011 204717705 272956940 354844022 409435410 532266033 709688044 818870820 887110055 1064532066 1774220110 2129064132 2661330165 3548440220 5322660330 10645320660