Search a number
-
+
2132343457 = 1941266763
BaseRepresentation
bin111111100011000…
…1111101010100001
312111121101021022121
41333012033222201
513331334442312
6551331304241
7103561422526
oct17706175241
95447337277
102132343457
119a471a222
124b614b081
1327ca036ba
141632a914d
15c7305707
hex7f18faa1

2132343457 has 12 divisors (see below), whose sum is σ = 2300687440. Its totient is φ = 1970814240.

The previous prime is 2132343413. The next prime is 2132343481. The reversal of 2132343457 is 7543432312.

It is not a de Polignac number, because 2132343457 - 215 = 2132310689 is a prime.

It is a super-2 number, since 2×21323434572 = 9093777237221421698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2132343557) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1443 + ... + 65320.

Almost surely, 22132343457 is an apocalyptic number.

It is an amenable number.

2132343457 is a deficient number, since it is larger than the sum of its proper divisors (168343983).

2132343457 is an equidigital number, since it uses as much as digits as its factorization.

2132343457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66864 (or 66823 counting only the distinct ones).

The product of its digits is 60480, while the sum is 34.

The square root of 2132343457 is about 46177.3045662044. The cubic root of 2132343457 is about 1287.1200413599.

Adding to 2132343457 its reverse (7543432312), we get a palindrome (9675775769).

The spelling of 2132343457 in words is "two billion, one hundred thirty-two million, three hundred forty-three thousand, four hundred fifty-seven".

Divisors: 1 19 41 779 1681 31939 66763 1268497 2737283 52008377 112228603 2132343457