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10001001010 = 2571113999101
BaseRepresentation
bin10010101000001101…
…10010101000110010
3221210222122111020211
421110012302220302
5130440224013020
64332220054334
7502556051230
oct112406625062
927728574224
1010001001010
1142723390a0
121b313943aa
13c34c7aca0
146ac343950
153d800985a
hex2541b2a32

10001001010 has 64 divisors (see below), whose sum is σ = 24170275584. Its totient is φ = 2877408000.

The previous prime is 10001001001. The next prime is 10001001011. The reversal of 10001001010 is 1010010001.

It is not an unprimeable number, because it can be changed into a prime (10001001011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 489541 + ... + 509560.

It is an arithmetic number, because the mean of its divisors is an integer number (377660556).

Almost surely, 210001001010 is an apocalyptic number.

10001001010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10001001010 is an abundant number, since it is smaller than the sum of its proper divisors (14169274574).

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

10001001010 is a wasteful number, since it uses less digits than its factorization.

10001001010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 999139.

The product of its (nonzero) digits is 1, while the sum is 4.

Adding to 10001001010 its reverse (1010010001), we get a palindrome (11011011011).

The spelling of 10001001010 in words is "ten billion, one million, one thousand, ten".

Divisors: 1 2 5 7 10 11 13 14 22 26 35 55 65 70 77 91 110 130 143 154 182 286 385 455 715 770 910 1001 1430 2002 5005 10010 999101 1998202 4995505 6993707 9991010 10990111 12988313 13987414 21980222 25976626 34968535 54950555 64941565 69937070 76930777 90918191 109901110 129883130 142871443 153861554 181836382 285742886 384653885 454590955 714357215 769307770 909181910 1000100101 1428714430 2000200202 5000500505 10001001010