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2152241157 = 3112172291523
BaseRepresentation
bin1000000001001000…
…1001100000000101
312112222211011211110
42000102021200011
513401433204112
6553321555233
7104222514363
oct20022114005
95488734743
102152241157
11a0497a700
12500945b19
13283b7c3a1
14165ba8633
15c8e3613c
hex80489805

2152241157 has 48 divisors (see below), whose sum is σ = 3356579520. Its totient is φ = 1221496320.

The previous prime is 2152241153. The next prime is 2152241159. The reversal of 2152241157 is 7511422512.

It is a happy number.

It is not a de Polignac number, because 2152241157 - 22 = 2152241153 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2152241153) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1412398 + ... + 1413920.

It is an arithmetic number, because the mean of its divisors is an integer number (69928740).

Almost surely, 22152241157 is an apocalyptic number.

It is an amenable number.

2152241157 is a deficient number, since it is larger than the sum of its proper divisors (1204338363).

2152241157 is a wasteful number, since it uses less digits than its factorization.

2152241157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1794 (or 1783 counting only the distinct ones).

The product of its digits is 5600, while the sum is 30.

The square root of 2152241157 is about 46392.2532002920. The cubic root of 2152241157 is about 1291.1111866675. Note that the first 4 decimals are identical.

Adding to 2152241157 its reverse (7511422512), we get a palindrome (9663663669).

The spelling of 2152241157 in words is "two billion, one hundred fifty-two million, two hundred forty-one thousand, one hundred fifty-seven".

Divisors: 1 3 11 17 33 51 121 187 229 363 561 687 1523 2057 2519 3893 4569 6171 7557 11679 16753 25891 27709 42823 50259 77673 83127 128469 184283 284801 348767 471053 552849 854403 1046301 1413159 3132811 3836437 5929039 9398433 11509311 17787117 42200807 65219429 126602421 195658287 717413719 2152241157