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101111001010001 = 31101173186667727
BaseRepresentation
bin10110111111010110111101…
…010011000100111101010001
3111021000010011111201111201022
4112333112331103010331101
5101223100312224310001
6555013430322045225
730204012602000243
oct2677267523047521
9437003144644638
10101111001010001
112a242a31125874
12b40bba57a9815
13445595a110498
141ad7b27370093
15ba51e0e5e11b
hex5bf5bd4c4f51

101111001010001 has 16 divisors (see below), whose sum is σ = 106015322769408. Its totient is φ = 96320546616000.

The previous prime is 101111001009989. The next prime is 101111001010021. The reversal of 101111001010001 is 100010100111101.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-101111001010001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101111001010021) 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, 92792201 + ... + 93875526.

It is an arithmetic number, because the mean of its divisors is an integer number (6625957673088).

Almost surely, 2101111001010001 is an apocalyptic number.

It is an amenable number.

101111001010001 is a deficient number, since it is larger than the sum of its proper divisors (4904321759407).

101111001010001 is a wasteful number, since it uses less digits than its factorization.

101111001010001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186668032.

The product of its (nonzero) digits is 1, while the sum is 8.

Adding to 101111001010001 its reverse (100010100111101), we get a palindrome (201121101121102).

The spelling of 101111001010001 in words is "one hundred one trillion, one hundred eleven billion, one million, ten thousand, one".

Divisors: 1 31 101 173 3131 5363 17473 541663 186667727 5786699537 18853440427 32293516771 584456653237 1001099019901 3261645193871 101111001010001