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63323340665 = 5139719152583
BaseRepresentation
bin111010111110010111…
…010111111101111001
320001110010001000002112
4322332113113331321
52014141233400130
645031302542105
74401132341354
oct727627277571
9201403030075
1063323340665
11249454140a2
1210332a37935
135c82122360
1430c9dc729b
1519a93b6495
hexebe5d7f79

63323340665 has 32 divisors (see below), whose sum is σ = 83111325696. Its totient is φ = 46036592640.

The previous prime is 63323340653. The next prime is 63323340667. The reversal of 63323340665 is 56604332336.

It is not a de Polignac number, because 63323340665 - 24 = 63323340649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63323340667) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1177964 + ... + 1230546.

It is an arithmetic number, because the mean of its divisors is an integer number (2597228928).

Almost surely, 263323340665 is an apocalyptic number.

63323340665 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

63323340665 is a deficient number, since it is larger than the sum of its proper divisors (19787985031).

63323340665 is a wasteful number, since it uses less digits than its factorization.

63323340665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52889.

The product of its (nonzero) digits is 699840, while the sum is 41.

The spelling of 63323340665 in words is "sixty-three billion, three hundred twenty-three million, three hundred forty thousand, six hundred sixty-five".

Divisors: 1 5 13 65 97 191 485 955 1261 2483 6305 12415 18527 52583 92635 240851 262915 683579 1204255 3417895 5100551 10043353 25502755 50216765 66307163 130563589 331535815 652817945 974205241 4871026205 12664668133 63323340665