Search a number
-
+
1111201153420 = 22555560057671
BaseRepresentation
bin10000001010111000110…
…000000000000110001100
310221020012112000022120211
4100022320300000012030
5121201214443402140
62210251225052204
7143165412650341
oct20127060000614
93836175008524
101111201153420
1139929209a386
1215b437027064
1380a2a5a1bc7
143bad4d7a7c8
151dd890262ea
hex102b8c0018c

1111201153420 has 12 divisors (see below), whose sum is σ = 2333522422224. Its totient is φ = 444480461360.

The previous prime is 1111201153399. The next prime is 1111201153423. The reversal of 1111201153420 is 243511021111.

It is a junction number, because it is equal to n+sod(n) for n = 1111201153391 and 1111201153400.

It is not an unprimeable number, because it can be changed into a prime (1111201153423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27780028816 + ... + 27780028855.

It is an arithmetic number, because the mean of its divisors is an integer number (194460201852).

Almost surely, 21111201153420 is an apocalyptic number.

1111201153420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1111201153420 is an abundant number, since it is smaller than the sum of its proper divisors (1222321268804).

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

1111201153420 is a wasteful number, since it uses less digits than its factorization.

1111201153420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55560057680 (or 55560057678 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 22.

Adding to 1111201153420 its reverse (243511021111), we get a palindrome (1354712174531).

It can be divided in two parts, 1111201 and 153420, that added together give a palindrome (1264621).

The spelling of 1111201153420 in words is "one trillion, one hundred eleven billion, two hundred one million, one hundred fifty-three thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 55560057671 111120115342 222240230684 277800288355 555600576710 1111201153420