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11100010001001 = 3131257154970949
BaseRepresentation
bin1010000110000110110000…
…1001110011001001101001
31110022011001210010010100120
42201201230021303021221
52423330310030013001
635335135120553453
72223643411154265
oct241415411631151
943264053103316
1011100010001001
11359a5402a59a9
1212b330aa82889
1362695a02593c
142a5359a7b0a5
15143b0b71c236
hexa186c273269

11100010001001 has 32 divisors (see below), whose sum is σ = 14980893840000. Its totient is φ = 7310118666240.

The previous prime is 11100010000973. The next prime is 11100010001009. The reversal of 11100010001001 is 10010001000111.

It is not a de Polignac number, because 11100010001001 - 211 = 11100009998953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11100010001009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 156415075 + ... + 156486023.

It is an arithmetic number, because the mean of its divisors is an integer number (468152932500).

Almost surely, 211100010001001 is an apocalyptic number.

It is an amenable number.

11100010001001 is a deficient number, since it is larger than the sum of its proper divisors (3880883838999).

11100010001001 is a wasteful number, since it uses less digits than its factorization.

11100010001001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72889.

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

Adding to 11100010001001 its reverse (10010001000111), we get a palindrome (21110011001112).

The spelling of 11100010001001 in words is "eleven trillion, one hundred billion, ten million, one thousand, one".

Divisors: 1 3 131 257 393 771 1549 4647 33667 70949 101001 202919 212847 398093 608757 1194279 9294319 18233893 27882957 52150183 54701679 109900001 156450549 329700003 2388639983 7165919949 14396900131 28244300257 43190700393 84732900771 3700003333667 11100010001001