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10111650020 = 225673751237
BaseRepresentation
bin10010110101011001…
…11000100011100100
3222002200212001011022
421122230320203210
5131202040300040
64351211430312
7505401415133
oct113254704344
928080761138
1010111650020
11431984335a
121b62455398
13c51b7c884
146bcd0791a
153e2ab46b5
hex25ab388e4

10111650020 has 24 divisors (see below), whose sum is σ = 21266045304. Its totient is φ = 4038644736.

The previous prime is 10111650019. The next prime is 10111650037. The reversal of 10111650020 is 2005611101.

It can be written as a sum of positive squares in 4 ways, for example, as 154803364 + 9956846656 = 12442^2 + 99784^2 .

It is a super-2 number, since 2×101116500202 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 362159 + ... + 389078.

It is an arithmetic number, because the mean of its divisors is an integer number (886085221).

Almost surely, 210111650020 is an apocalyptic number.

10111650020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10111650020 is an abundant number, since it is smaller than the sum of its proper divisors (11154395284).

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

10111650020 is a wasteful number, since it uses less digits than its factorization.

10111650020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751919 (or 751917 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 17.

The spelling of 10111650020 in words is "ten billion, one hundred eleven million, six hundred fifty thousand, twenty".

Divisors: 1 2 4 5 10 20 673 1346 2692 3365 6730 13460 751237 1502474 3004948 3756185 7512370 15024740 505582501 1011165002 2022330004 2527912505 5055825010 10111650020