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2102152032 = 253217094271
BaseRepresentation
bin111110101001100…
…0100101101100000
312102111120101110200
41331103010231200
513301122331112
6544332225200
7103043666061
oct17523045540
95374511420
102102152032
11989678a32
124a800b200
13276692556
1415d28a568
15c483ecdc
hex7d4c4b60

2102152032 has 72 divisors (see below), whose sum is σ = 5982893280. Its totient is φ = 700143360.

The previous prime is 2102152027. The next prime is 2102152043. The reversal of 2102152032 is 2302512012.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2102151996 and 2102152014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 490057 + ... + 494327.

It is an arithmetic number, because the mean of its divisors is an integer number (83095740).

Almost surely, 22102152032 is an apocalyptic number.

It is an amenable number.

2102152032 is an abundant number, since it is smaller than the sum of its proper divisors (3880741248).

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

2102152032 is a wasteful number, since it uses less digits than its factorization.

2102152032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5996 (or 5985 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 2102152032 is about 45849.2315311827. The cubic root of 2102152032 is about 1281.0164517336.

Adding to 2102152032 its reverse (2302512012), we get a palindrome (4404664044).

The spelling of 2102152032 in words is "two billion, one hundred two million, one hundred fifty-two thousand, thirty-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 72 96 144 288 1709 3418 4271 5127 6836 8542 10254 12813 13672 15381 17084 20508 25626 27344 30762 34168 38439 41016 51252 54688 61524 68336 76878 82032 102504 123048 136672 153756 164064 205008 246096 307512 410016 492192 615024 1230048 7299139 14598278 21897417 29196556 43794834 58393112 65692251 87589668 116786224 131384502 175179336 233572448 262769004 350358672 525538008 700717344 1051076016 2102152032