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2231115534 = 232123950863
BaseRepresentation
bin1000010011111100…
…0001111100001110
312202111020102010200
42010333001330032
514032131144114
61005220314330
7106201112004
oct20477017416
95674212120
102231115534
11a4545213a
125232429a6
1329730730b
1417245aa74
15d0d16409
hex84fc1f0e

2231115534 has 12 divisors (see below), whose sum is σ = 4834083696. Its totient is φ = 743705172.

The previous prime is 2231115517. The next prime is 2231115559. The reversal of 2231115534 is 4355111322.

2231115534 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×22311155343 (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 2231115498 and 2231115507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 61975414 + ... + 61975449.

It is an arithmetic number, because the mean of its divisors is an integer number (402840308).

Almost surely, 22231115534 is an apocalyptic number.

2231115534 is an abundant number, since it is smaller than the sum of its proper divisors (2602968162).

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

2231115534 is a wasteful number, since it uses less digits than its factorization.

2231115534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123950871 (or 123950868 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 2231115534 is about 47234.6857087035. The cubic root of 2231115534 is about 1306.6943702332.

Adding to 2231115534 its reverse (4355111322), we get a palindrome (6586226856).

The spelling of 2231115534 in words is "two billion, two hundred thirty-one million, one hundred fifteen thousand, five hundred thirty-four".

Divisors: 1 2 3 6 9 18 123950863 247901726 371852589 743705178 1115557767 2231115534