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1001100070091 = 11457526137853
BaseRepresentation
bin11101001000101100011…
…01101100110011001011
310112201000101101202221202
432210112031230303023
5112400223104220331
62043522104454415
7132220123123322
oct16442615546313
93481011352852
101001100070091
11356622988930
1214202a47a40b
13735321723a4
143664c5a30b9
151b093112ecb
hexe91636cccb

1001100070091 has 16 divisors (see below), whose sum is σ = 1094735863008. Its totient is φ = 907902931200.

The previous prime is 1001100070079. The next prime is 1001100070111. The reversal of 1001100070091 is 1900700011001.

It is a cyclic number.

It is not a de Polignac number, because 1001100070091 - 26 = 1001100070027 is a prime.

It is a super-2 number, since 2×10011000700912 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1001100070031) 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, 26428121 + ... + 26465973.

It is an arithmetic number, because the mean of its divisors is an integer number (68420991438).

Almost surely, 21001100070091 is an apocalyptic number.

1001100070091 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1001100070091 is a deficient number, since it is larger than the sum of its proper divisors (93635792917).

1001100070091 is a wasteful number, since it uses less digits than its factorization.

1001100070091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43582.

The product of its (nonzero) digits is 63, while the sum is 20.

Adding to 1001100070091 its reverse (1900700011001), we get a palindrome (2901800081092).

The spelling of 1001100070091 in words is "one trillion, one billion, one hundred million, seventy thousand, ninety-one".

Divisors: 1 11 457 5027 5261 37853 57871 416383 2404277 17298821 26447047 190287031 199144633 2190590963 91009097281 1001100070091