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100000011111111 = 32371731735840079
BaseRepresentation
bin10110101111001100010001…
…001000111100101011000111
3111010001220111201020000212100
4112233030101020330223013
5101101400010321023421
6552403212040523143
730030522332450166
oct2657142110745307
9433056451200770
10100000011111111
1129954848306111
12b2708094804b3
1343a4c64536477
141a9a0524a53dd
15b8636a766c26
hex5af31123cac7

100000011111111 has 24 divisors (see below), whose sum is σ = 149205869916480. Its totient is φ = 64489930577856.

The previous prime is 100000011111079. The next prime is 100000011111139. The reversal of 100000011111111 is 111111110000001.

It is not a de Polignac number, because 100000011111111 - 25 = 100000011111079 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

100000011111111 is a modest number, since divided by 11111111 gives 1000000 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 100000011111093 and 100000011111102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100000011191111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 867862431 + ... + 867977648.

It is an arithmetic number, because the mean of its divisors is an integer number (6216911246520).

Almost surely, 2100000011111111 is an apocalyptic number.

100000011111111 is a deficient number, since it is larger than the sum of its proper divisors (49205858805369).

100000011111111 is a wasteful number, since it uses less digits than its factorization.

100000011111111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1735840295 (or 1735840292 counting only the distinct ones).

The product of its (nonzero) digits is 1, while the sum is 9.

Adding to 100000011111111 its reverse (111111110000001), we get a palindrome (211111121111112).

It can be divided in two parts, 10000001 and 1111111, that multiplied together give a palindrome (11111111111111).

The spelling of 100000011111111 in words is "one hundred trillion, eleven million, one hundred eleven thousand, one hundred eleven".

Divisors: 1 3 9 37 111 173 333 519 1557 6401 19203 57609 1735840079 5207520237 15622560711 64226082923 192678248769 300300333667 578034746307 900901001001 2702703003003 11111112345679 33333337037037 100000011111111