Search a number
-
+
1011123030001 = 71913755492181
BaseRepresentation
bin11101011011010111010…
…00010000011111110001
310120122212220100220011011
432231223220100133301
5113031234443430001
62052300431350521
7133023366642640
oct16555350203761
93518786326134
101011123030001
1135a8a6654a77
12143b67082441
137446b83b2b6
1436d1d7c1357
151b47d008d51
hexeb6ba107f1

1011123030001 has 16 divisors (see below), whose sum is σ = 1225267378560. Its totient is φ = 815069139840.

The previous prime is 1011123029977. The next prime is 1011123030067. The reversal of 1011123030001 is 1000303211101.

It is a cyclic number.

It is not a de Polignac number, because 1011123030001 - 231 = 1008975546353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1011123030301) 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, 27727870 + ... + 27764311.

It is an arithmetic number, because the mean of its divisors is an integer number (76579211160).

Almost surely, 21011123030001 is an apocalyptic number.

It is an amenable number.

1011123030001 is a deficient number, since it is larger than the sum of its proper divisors (214144348559).

1011123030001 is a wasteful number, since it uses less digits than its factorization.

1011123030001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55492344.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 1011123030001 its reverse (1000303211101), we get a palindrome (2011426241102).

The spelling of 1011123030001 in words is "one trillion, eleven billion, one hundred twenty-three million, thirty thousand, one".

Divisors: 1 7 19 133 137 959 2603 18221 55492181 388445267 1054351439 7380460073 7602428797 53217001579 144446147143 1011123030001