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1001011100001 = 31143705434179
BaseRepresentation
bin11101001000100001110…
…10010011100101100001
310112200210011222121221020
432210100322103211201
5112400032320200001
62043505205520053
7132214662650313
oct16442072234541
93480704877836
101001011100001
11356587740330
12142004713029
13735198c1173
14366408437b3
151b08a3db736
hexe910e93961

1001011100001 has 16 divisors (see below), whose sum is σ = 1489876988160. Its totient is φ = 592564709520.

The previous prime is 1001011099969. The next prime is 1001011100021. The reversal of 1001011100001 is 1000011101001.

It is not a de Polignac number, because 1001011100001 - 25 = 1001011099969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1001011100021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 352715671 + ... + 352718508.

It is an arithmetic number, because the mean of its divisors is an integer number (93117311760).

Almost surely, 21001011100001 is an apocalyptic number.

1001011100001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1001011100001 is a deficient number, since it is larger than the sum of its proper divisors (488865888159).

1001011100001 is a wasteful number, since it uses less digits than its factorization.

1001011100001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705434236.

The product of its (nonzero) digits is 1, while the sum is 6.

Adding to 1001011100001 its reverse (1000011101001), we get a palindrome (2001022201002).

The spelling of 1001011100001 in words is "one trillion, one billion, eleven million, one hundred thousand, one".

Divisors: 1 3 11 33 43 129 473 1419 705434179 2116302537 7759775969 23279327907 30333669697 91001009091 333670366667 1001011100001