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100140024440 = 2355011499601
BaseRepresentation
bin101110101000011001…
…1111000001001111000
3100120110221010022200002
41131100303320021320
53120041321240230
6114000444132132
710143364110011
oct1352063701170
9316427108602
10100140024440
1139518484585
12174a8837048
13959b827c41
144bbd8b0008
152911698545
hex1750cf8278

100140024440 has 32 divisors (see below), whose sum is σ = 225360470160. Its totient is φ = 40047936000.

The previous prime is 100140024433. The next prime is 100140024473. The reversal of 100140024440 is 44420041001.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

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, 49361 + ... + 450240.

Almost surely, 2100140024440 is an apocalyptic number.

100140024440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100140024440 is an abundant number, since it is smaller than the sum of its proper divisors (125220445720).

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

100140024440 is a wasteful number, since it uses less digits than its factorization.

100140024440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504623 (or 504619 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 100140024440 its reverse (44420041001), we get a palindrome (144560065441).

The spelling of 100140024440 in words is "one hundred billion, one hundred forty million, twenty-four thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 40 5011 10022 20044 25055 40088 50110 100220 200440 499601 999202 1998404 2498005 3996808 4996010 9992020 19984040 2503500611 5007001222 10014002444 12517503055 20028004888 25035006110 50070012220 100140024440