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10010010015 = 325222444667
BaseRepresentation
bin10010101001010010…
…01010000110011111
3221211121121012021200
421110221022012133
5131000030310030
64333141130543
7503025452445
oct112451120637
927747535250
1010010010015
114277431755
121b343b9a53
13c36ab3765
146ad60ab95
153d8bd8d60
hex254a4a19f

10010010015 has 12 divisors (see below), whose sum is σ = 17350684104. Its totient is φ = 5338671984.

The previous prime is 10010010013. The next prime is 10010010053. The reversal of 10010010015 is 51001001001.

It is not a de Polignac number, because 10010010015 - 21 = 10010010013 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 10010009979 and 10010010006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10010010013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 111222289 + ... + 111222378.

It is an arithmetic number, because the mean of its divisors is an integer number (1445890342).

Almost surely, 210010010015 is an apocalyptic number.

10010010015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10010010015 is a deficient number, since it is larger than the sum of its proper divisors (7340674089).

10010010015 is a wasteful number, since it uses less digits than its factorization.

10010010015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222444678 (or 222444675 counting only the distinct ones).

The product of its (nonzero) digits is 5, while the sum is 9.

Adding to 10010010015 its reverse (51001001001), we get a palindrome (61011011016).

It can be divided in two parts, 1001001001 and 5, that multiplied together give a palindrome (5005005005).

The spelling of 10010010015 in words is "ten billion, ten million, ten thousand, fifteen".

Divisors: 1 3 5 9 15 45 222444667 667334001 1112223335 2002002003 3336670005 10010010015