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1001001111010 = 252918111905979
BaseRepresentation
bin11101001000100000101…
…00001100110111100010
310112200202111012010121121
432210100110030313202
5112400022241023020
62043504211442454
7132214512025015
oct16442024146742
93480674163547
101001001111010
1135658203846a
121420012b642a
1373517804614
143663d3a337c
151b0895b6baa
hexe91050cde2

1001001111010 has 32 divisors (see below), whose sum is σ = 1864963310400. Its totient is φ = 386379860160.

The previous prime is 1001001111001. The next prime is 1001001111017. The reversal of 1001001111010 is 101111001001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1001001110984 and 1001001111002.

It is not an unprimeable number, because it can be changed into a prime (1001001111017) by changing a digit.

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, 427800 + ... + 1478179.

It is an arithmetic number, because the mean of its divisors is an integer number (58280103450).

Almost surely, 21001001111010 is an apocalyptic number.

1001001111010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1001001111010 is a deficient number, since it is larger than the sum of its proper divisors (863962199390).

1001001111010 is a wasteful number, since it uses less digits than its factorization.

1001001111010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1907826.

The product of its (nonzero) digits is 1, while the sum is 7.

Adding to 1001001111010 its reverse (101111001001), we get a palindrome (1102112112011).

The spelling of 1001001111010 in words is "one trillion, one billion, one million, one hundred eleven thousand, ten".

Divisors: 1 2 5 10 29 58 145 290 1811 3622 9055 18110 52519 105038 262595 525190 1905979 3811958 9529895 19059790 55273391 110546782 276366955 552733910 3451727969 6903455938 17258639845 34517279690 100100111101 200200222202 500500555505 1001001111010