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10207404040 = 235996725603
BaseRepresentation
bin10011000000110100…
…01010000000001000
3222100101000211222111
421200122022000020
5131401043412130
64404512032104
7510643334311
oct114032120010
928311024874
1010207404040
1143688a4809
121b8a532634
13c68967862
146cb911608
153eb1cb02a
hex26068a008

10207404040 has 32 divisors (see below), whose sum is σ = 22969860480. Its totient is φ = 4082392512.

The previous prime is 10207404001. The next prime is 10207404047. The reversal of 10207404040 is 4040470201.

It is not an unprimeable number, because it can be changed into a prime (10207404047) 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, 385879 + ... + 411481.

It is an arithmetic number, because the mean of its divisors is an integer number (717808140).

Almost surely, 210207404040 is an apocalyptic number.

10207404040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10207404040 is an abundant number, since it is smaller than the sum of its proper divisors (12762456440).

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

10207404040 is a wasteful number, since it uses less digits than its factorization.

10207404040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35581 (or 35577 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 22.

Adding to 10207404040 its reverse (4040470201), we get a palindrome (14247874241).

The spelling of 10207404040 in words is "ten billion, two hundred seven million, four hundred four thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 9967 19934 25603 39868 49835 51206 79736 99670 102412 128015 199340 204824 256030 398680 512060 1024120 255185101 510370202 1020740404 1275925505 2041480808 2551851010 5103702020 10207404040