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10000001000 = 235311909091
BaseRepresentation
bin10010101000000101…
…11110011111101000
3221210220202200111102
421110002332133220
5130440000013000
64332142420532
7502544414603
oct112402763750
927726680442
1010000001000
114271815840
121b30b91748
13c349baa72
146ac16333a
153d7dad3d5
hex2540be7e8

10000001000 has 64 divisors (see below), whose sum is σ = 25527303360. Its totient is φ = 3636360000.

The previous prime is 10000000999. The next prime is 10000001041. The reversal of 10000001000 is 10000001.

10000001000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sliding number, since 10000001000 = 1000 + 10000000000 and 1/1000 + 1/10000000000 = 0.0010000001000.

It is a Harshad number since it is a multiple of its sum of digits (2).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 443546 + ... + 465545.

It is an arithmetic number, because the mean of its divisors is an integer number (398864115).

Almost surely, 210000001000 is an apocalyptic number.

10000001000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10000001000 is an abundant number, since it is smaller than the sum of its proper divisors (15527302360).

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

10000001000 is a wasteful number, since it uses less digits than its factorization.

10000001000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909123 (or 909109 counting only the distinct ones).

The product of its (nonzero) digits is 1, while the sum is 2.

Adding to 10000001000 its reverse (10000001), we get a palindrome (10010001001).

Subtracting from 10000001000 its reverse (10000001), we obtain a palindrome (9990000999).

10000001000 divided by its reverse (10000001) gives a cube (1000 = 103).

The spelling of 10000001000 in words is "ten billion, one thousand".

Divisors: 1 2 4 5 8 10 11 20 22 25 40 44 50 55 88 100 110 125 200 220 250 275 440 500 550 1000 1100 1375 2200 2750 5500 11000 909091 1818182 3636364 4545455 7272728 9090910 10000001 18181820 20000002 22727275 36363640 40000004 45454550 50000005 80000008 90909100 100000010 113636375 181818200 200000020 227272750 250000025 400000040 454545500 500000050 909091000 1000000100 1250000125 2000000200 2500000250 5000000500 10000001000