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2143253524 = 2212737311311
BaseRepresentation
bin111111110111111…
…0111010000010100
312112100220120010011
41333233313100110
513342133103044
6552401210004
7104053232356
oct17757672024
95470816104
102143253524
119aa8a1105
124b9930904
13282053569
141649090d6
15c825d134
hex7fbf7414

2143253524 has 24 divisors (see below), whose sum is σ = 3790696448. Its totient is φ = 1060244640.

The previous prime is 2143253521. The next prime is 2143253531. The reversal of 2143253524 is 4253523412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143253521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183829 + ... + 195139.

Almost surely, 22143253524 is an apocalyptic number.

It is an amenable number.

2143253524 is a deficient number, since it is larger than the sum of its proper divisors (1647442924).

2143253524 is a wasteful number, since it uses less digits than its factorization.

2143253524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11815 (or 11813 counting only the distinct ones).

The product of its digits is 28800, while the sum is 31.

The square root of 2143253524 is about 46295.2861963289. The cubic root of 2143253524 is about 1289.3114776160.

Adding to 2143253524 its reverse (4253523412), we get a palindrome (6396776936).

The spelling of 2143253524 in words is "two billion, one hundred forty-three million, two hundred fifty-three thousand, five hundred twenty-four".

Divisors: 1 2 4 127 254 373 508 746 1492 11311 22622 45244 47371 94742 189484 1436497 2872994 4219003 5745988 8438006 16876012 535813381 1071626762 2143253524