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10636640620 = 2252232384897
BaseRepresentation
bin10011110011111111…
…00100000101101100
31000110021201022212121
421321333210011230
5133240434444440
64515244042324
7524404645024
oct117177440554
930407638777
1010636640620
114569119591
12208a2333a4
1310068747b8
1472c926a84
15423c1734a
hex279fe416c

10636640620 has 24 divisors (see below), whose sum is σ = 22437120384. Its totient is φ = 4235575296.

The previous prime is 10636640593. The next prime is 10636640627. The reversal of 10636640620 is 2604663601.

It is a super-2 number, since 2×106366406202 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10636640627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1187989 + ... + 1196908.

It is an arithmetic number, because the mean of its divisors is an integer number (934880016).

Almost surely, 210636640620 is an apocalyptic number.

10636640620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10636640620 is an abundant number, since it is smaller than the sum of its proper divisors (11800479764).

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

10636640620 is a wasteful number, since it uses less digits than its factorization.

10636640620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2385129 (or 2385127 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 34.

The spelling of 10636640620 in words is "ten billion, six hundred thirty-six million, six hundred forty thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 223 446 892 1115 2230 4460 2384897 4769794 9539588 11924485 23848970 47697940 531832031 1063664062 2127328124 2659160155 5318320310 10636640620