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10530050412 = 2237217908249
BaseRepresentation
bin10011100111010001…
…11101000101101100
31000011212010222121010
421303220331011230
5133031143103122
64500515305220
7521641644300
oct116350750554
930155128533
1010530050412
114513a36802
12205a5ab210
13cba76447b
1471c6dbd00
154196aee0c
hex273a3d16c

10530050412 has 36 divisors (see below), whose sum is σ = 28581567000. Its totient is φ = 3008585664.

The previous prime is 10530050407. The next prime is 10530050473. The reversal of 10530050412 is 21405003501.

It is a super-2 number, since 2×105300504122 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8953537 + ... + 8954712.

Almost surely, 210530050412 is an apocalyptic number.

10530050412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10530050412 is an abundant number, since it is smaller than the sum of its proper divisors (18051516588).

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

10530050412 is a wasteful number, since it uses less digits than its factorization.

10530050412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17908270 (or 17908261 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

Adding to 10530050412 its reverse (21405003501), we get a palindrome (31935053913).

The spelling of 10530050412 in words is "ten billion, five hundred thirty million, fifty thousand, four hundred twelve".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 49 84 98 147 196 294 588 17908249 35816498 53724747 71632996 107449494 125357743 214898988 250715486 376073229 501430972 752146458 877504201 1504292916 1755008402 2632512603 3510016804 5265025206 10530050412