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2148415201 = 463512
BaseRepresentation
bin1000000000001110…
…0011011011100001
312112201121210121101
42000003203123201
513344443241301
6553103554401
7104145141112
oct20003433341
95481553541
102148415201
11a027a7159
124bb5bba01
1328313caca
14165490209
15c892c701
hex800e36e1

2148415201 has 3 divisors (see below), whose sum is σ = 2148461553. Its totient is φ = 2148368850.

The previous prime is 2148415189. The next prime is 2148415237. The reversal of 2148415201 is 1025148412.

The square root of 2148415201 is 46351.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 2148415201 - 25 = 2148415169 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2148415201.

It is not an unprimeable number, because it can be changed into a prime (2148415271) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 23176 + ... + 69526.

It is an arithmetic number, because the mean of its divisors is an integer number (716153851).

Almost surely, 22148415201 is an apocalyptic number.

2148415201 is the 46351-st square number.

2148415201 is the 23176-th centered octagonal number.

It is an amenable number.

2148415201 is a deficient number, since it is larger than the sum of its proper divisors (46352).

2148415201 is an frugal number, since it uses more digits than its factorization.

2148415201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92702 (or 46351 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 28.

The cubic root of 2148415201 is about 1290.3456800501.

The spelling of 2148415201 in words is "two billion, one hundred forty-eight million, four hundred fifteen thousand, two hundred one".

Divisors: 1 46351 2148415201