Search a number
-
+
2151342152 = 23268917769
BaseRepresentation
bin1000000000111010…
…1110000001001000
312112221010111121222
42000032232001020
513401220422102
6553250421212
7104212051361
oct20016560110
95487114558
102151342152
11a04416223
12500591808
1328392612b
14165a12b68
15c8d09aa2
hex803ae048

2151342152 has 8 divisors (see below), whose sum is σ = 4033766550. Its totient is φ = 1075671072.

The previous prime is 2151342121. The next prime is 2151342161. The reversal of 2151342152 is 2512431512.

It can be written as a sum of positive squares in only one way, i.e., 1726734916 + 424607236 = 41554^2 + 20606^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×21513421522 = 9256546109943982208, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134458877 + ... + 134458892.

Almost surely, 22151342152 is an apocalyptic number.

It is an amenable number.

2151342152 is a deficient number, since it is larger than the sum of its proper divisors (1882424398).

2151342152 is a wasteful number, since it uses less digits than its factorization.

2151342152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268917775 (or 268917771 counting only the distinct ones).

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

The square root of 2151342152 is about 46382.5630167200. The cubic root of 2151342152 is about 1290.9313931441.

Adding to 2151342152 its reverse (2512431512), we get a palindrome (4663773664).

The spelling of 2151342152 in words is "two billion, one hundred fifty-one million, three hundred forty-two thousand, one hundred fifty-two".

Divisors: 1 2 4 8 268917769 537835538 1075671076 2151342152