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10010000028 = 2237472535461
BaseRepresentation
bin10010101001010010…
…00111101010011100
3221211121120200120210
421110221013222130
5131000030000103
64333141012420
7503025411360
oct112451075234
927747520523
1010010000028
1142774251a6
121b343b4110
13c36aac052
146ad6072a0
153d8bd5e03
hex254a47a9c

10010000028 has 48 divisors (see below), whose sum is σ = 27261287424. Its totient is φ = 2799147840.

The previous prime is 10009999997. The next prime is 10010000029. The reversal of 10010000028 is 82000001001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 10009999968 and 10010000022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10010000029) 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, 1263783 + ... + 1271678.

It is an arithmetic number, because the mean of its divisors is an integer number (567943488).

Almost surely, 210010000028 is an apocalyptic number.

It is an amenable number.

10010000028 is an abundant number, since it is smaller than the sum of its proper divisors (17251287396).

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

10010000028 is a wasteful number, since it uses less digits than its factorization.

10010000028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2535522 (or 2535520 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 10010000028 its reverse (82000001001), we get a palindrome (92010001029).

The spelling of 10010000028 in words is "ten billion, ten million, twenty-eight", and thus it is an aban number and an uban number.

Divisors: 1 2 3 4 6 7 12 14 21 28 42 47 84 94 141 188 282 329 564 658 987 1316 1974 3948 2535461 5070922 7606383 10141844 15212766 17748227 30425532 35496454 53244681 70992908 106489362 119166667 212978724 238333334 357500001 476666668 715000002 834166669 1430000004 1668333338 2502500007 3336666676 5005000014 10010000028