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2135403524 = 221731402993
BaseRepresentation
bin111111101000111…
…1010110000000100
312111211010201221102
41333101322300010
513333130403044
6551521035232
7103626426152
oct17721726004
95454121842
102135403524
119a641a301
124b7185b18
132805354a7
141638643d2
15c770c24e
hex7f47ac04

2135403524 has 12 divisors (see below), whose sum is σ = 3956777244. Its totient is φ = 1004895744.

The previous prime is 2135403497. The next prime is 2135403539. The reversal of 2135403524 is 4253045312.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 569776900 + 1565626624 = 23870^2 + 39568^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15701429 + ... + 15701564.

It is an arithmetic number, because the mean of its divisors is an integer number (329731437).

Almost surely, 22135403524 is an apocalyptic number.

It is an amenable number.

2135403524 is a deficient number, since it is larger than the sum of its proper divisors (1821373720).

2135403524 is a wasteful number, since it uses less digits than its factorization.

2135403524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31403014 (or 31403012 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 2135403524 is about 46210.4265723657. The cubic root of 2135403524 is about 1287.7354505016.

Adding to 2135403524 its reverse (4253045312), we get a palindrome (6388448836).

The spelling of 2135403524 in words is "two billion, one hundred thirty-five million, four hundred three thousand, five hundred twenty-four".

Divisors: 1 2 4 17 34 68 31402993 62805986 125611972 533850881 1067701762 2135403524