Search a number
-
+
1111001113213 = 43711453725033
BaseRepresentation
bin10000001010101100110…
…100111010001001111101
310221012200120121020000021
4100022230310322021331
5121200312241110323
62210215321332141
7143160433434625
oct20125464721175
93835616536007
101111001113213
1139919a18a1a2
1215b3a0037051
13809c8002514
143bab6587885
151dd766b005d
hex102acd3a27d

1111001113213 has 16 divisors (see below), whose sum is σ = 1152975517056. Its totient is φ = 1069763546880.

The previous prime is 1111001113199. The next prime is 1111001113247. The reversal of 1111001113213 is 3123111001111.

It is a cyclic number.

It is not a de Polignac number, because 1111001113213 - 225 = 1110967558781 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 (1111001113913) 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, 44368945 + ... + 44393977.

It is an arithmetic number, because the mean of its divisors is an integer number (72060969816).

Almost surely, 21111001113213 is an apocalyptic number.

It is an amenable number.

1111001113213 is a deficient number, since it is larger than the sum of its proper divisors (41974403843).

1111001113213 is a wasteful number, since it uses less digits than its factorization.

1111001113213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39684.

The product of its (nonzero) digits is 18, while the sum is 16.

Adding to 1111001113213 its reverse (3123111001111), we get a palindrome (4234112114324).

The spelling of 1111001113213 in words is "one trillion, one hundred eleven billion, one million, one hundred thirteen thousand, two hundred thirteen".

Divisors: 1 43 71 3053 14537 25033 625091 1032127 1076419 1777343 44381461 76425749 363904721 15647903003 25837235191 1111001113213