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10111111110101 = 157181355812053
BaseRepresentation
bin1001001100100010110100…
…1011111001110111010101
31022210121112201101110201102
42103020231023321313111
52311130023421010401
633300551425435445
72062334521242641
oct223105513716725
938717481343642
1010111111110101
113249109697641
12117372679bb85
135846208c6011
1426d547b03c21
1512802e86856b
hex9322d2f9dd5

10111111110101 has 8 divisors (see below), whose sum is σ = 10231731424824. Its totient is φ = 9991202420160.

The previous prime is 10111111110071. The next prime is 10111111110137. The reversal of 10111111110101 is 10101111111101.

It can be written as a sum of positive squares in 4 ways, for example, as 147303207601 + 9963807902500 = 383801^2 + 3156550^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10111111110101 - 222 = 10111106915797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10111111119101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177877610 + ... + 177934443.

It is an arithmetic number, because the mean of its divisors is an integer number (1278966428103).

Almost surely, 210111111110101 is an apocalyptic number.

It is an amenable number.

10111111110101 is a deficient number, since it is larger than the sum of its proper divisors (120620314723).

10111111110101 is a wasteful number, since it uses less digits than its factorization.

10111111110101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355812391.

The product of its (nonzero) digits is 1, while the sum is 11.

Adding to 10111111110101 its reverse (10101111111101), we get a palindrome (20212222221202).

It can be divided in two parts, 1011111 and 1110101, that added together give a palindrome (2121212).

The spelling of 10111111110101 in words is "ten trillion, one hundred eleven billion, one hundred eleven million, one hundred ten thousand, one hundred one".

Divisors: 1 157 181 28417 355812053 55862492321 64401981593 10111111110101