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10201050040 = 235911279941
BaseRepresentation
bin10011000000000011…
…11010101110111000
3222022221002000221011
421200001322232320
5131342432100130
64404123523304
7510535331446
oct114001725670
928287060834
1010201050040
114365254975
121b88389534
13c675516ac
146cab39b96
153ea87352a
hex26007abb8

10201050040 has 32 divisors (see below), whose sum is σ = 22977639360. Its totient is φ = 4075926400.

The previous prime is 10201050029. The next prime is 10201050047. The reversal of 10201050040 is 4005010201.

It is a super-2 number, since 2×102010500402 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10201050040.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10201050047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103531 + ... + 176410.

It is an arithmetic number, because the mean of its divisors is an integer number (718051230).

Almost surely, 210201050040 is an apocalyptic number.

10201050040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10201050040 is an abundant number, since it is smaller than the sum of its proper divisors (12776589320).

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

10201050040 is a wasteful number, since it uses less digits than its factorization.

10201050040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280863 (or 280859 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 13.

Adding to 10201050040 its reverse (4005010201), we get a palindrome (14206060241).

The spelling of 10201050040 in words is "ten billion, two hundred one million, fifty thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 911 1822 3644 4555 7288 9110 18220 36440 279941 559882 1119764 1399705 2239528 2799410 5598820 11197640 255026251 510052502 1020105004 1275131255 2040210008 2550262510 5100525020 10201050040