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2152250215 = 5430450043
BaseRepresentation
bin1000000001001000…
…1011101101100111
312112222211122020221
42000102023231213
513401434001330
6553322105211
7104222552653
oct20022135547
95488748227
102152250215
11a04986495
1250094b207
13283b8354b
14165baba63
15c8e38b7a
hex8048bb67

2152250215 has 4 divisors (see below), whose sum is σ = 2582700264. Its totient is φ = 1721800168.

The previous prime is 2152250189. The next prime is 2152250227. The reversal of 2152250215 is 5120522512.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2152250215 - 229 = 1615379303 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 2152250215.

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, 215225017 + ... + 215225026.

It is an arithmetic number, because the mean of its divisors is an integer number (645675066).

Almost surely, 22152250215 is an apocalyptic number.

2152250215 is a deficient number, since it is larger than the sum of its proper divisors (430450049).

2152250215 is an equidigital number, since it uses as much as digits as its factorization.

2152250215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430450048.

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 2152250215 is about 46392.3508242469. The cubic root of 2152250215 is about 1291.1129979374.

Adding to 2152250215 its reverse (5120522512), we get a palindrome (7272772727).

The spelling of 2152250215 in words is "two billion, one hundred fifty-two million, two hundred fifty thousand, two hundred fifteen".

Divisors: 1 5 430450043 2152250215