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2151452312 = 232309116471
BaseRepresentation
bin1000000000111100…
…1000111010011000
312112221100002201222
42000033020322120
513401232433222
6553253031212
7104213020502
oct20017107230
95487302658
102151452312
11a04490a69
12500625508
13283964309
14165a40d72
15c8d2c542
hex803c8e98

2151452312 has 16 divisors (see below), whose sum is σ = 4035754800. Its totient is φ = 1075251040.

The previous prime is 2151452293. The next prime is 2151452321. The reversal of 2151452312 is 2132541512.

It is a congruent number.

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, 39764 + ... + 76707.

It is an arithmetic number, because the mean of its divisors is an integer number (252234675).

Almost surely, 22151452312 is an apocalyptic number.

It is an amenable number.

2151452312 is a deficient number, since it is larger than the sum of its proper divisors (1884302488).

2151452312 is a wasteful number, since it uses less digits than its factorization.

2151452312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118786 (or 118782 counting only the distinct ones).

The product of its digits is 2400, while the sum is 26.

The square root of 2151452312 is about 46383.7505167489. The cubic root of 2151452312 is about 1290.9534269204.

Adding to 2151452312 its reverse (2132541512), we get a palindrome (4283993824).

The spelling of 2151452312 in words is "two billion, one hundred fifty-one million, four hundred fifty-two thousand, three hundred twelve".

Divisors: 1 2 4 8 2309 4618 9236 18472 116471 232942 465884 931768 268931539 537863078 1075726156 2151452312