Search a number
-
+
11121130001020 = 2251387407489361
BaseRepresentation
bin1010000111010101011100…
…0000001101001001111100
31110101011120200010021210111
42201311113000031021330
52424202033240013040
635352550535515404
72225321653203334
oct241652700151174
943334520107714
1011121130001020
1135a8498a5a576
1212b7423b28b64
13628944764680
142a63a09ca0c4
1514444596edea
hexa1d5700d27c

11121130001020 has 48 divisors (see below), whose sum is σ = 25151202373248. Its totient is φ = 4106208015360.

The previous prime is 11121130001011. The next prime is 11121130001039. The reversal of 11121130001020 is 2010003112111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22481140 + ... + 22970500.

It is an arithmetic number, because the mean of its divisors is an integer number (523983382776).

Almost surely, 211121130001020 is an apocalyptic number.

11121130001020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11121130001020 is an abundant number, since it is smaller than the sum of its proper divisors (14030072372228).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11121130001020 is a wasteful number, since it uses less digits than its factorization.

11121130001020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576790 (or 576788 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 11121130001020 its reverse (2010003112111), we get a palindrome (13131133113131).

The spelling of 11121130001020 in words is "eleven trillion, one hundred twenty-one billion, one hundred thirty million, one thousand, twenty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 87407 174814 349628 437035 489361 874070 978722 1136291 1748140 1957444 2272582 2446805 4545164 4893610 5681455 6361693 9787220 11362910 12723386 22725820 25446772 31808465 63616930 127233860 42773576927 85547153854 171094307708 213867884635 427735769270 556056500051 855471538540 1112113000102 2224226000204 2780282500255 5560565000510 11121130001020