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2047015153 = 9721103249
BaseRepresentation
bin111101000000010…
…1111100011110001
312021122211010220001
41322000233203301
513143013441103
6535042350001
7101504225131
oct17200574361
95248733801
102047015153
11960539867
1249165b301
13268128c91
14155c16ac1
15bea9d01d
hex7a02f8f1

2047015153 has 4 divisors (see below), whose sum is σ = 2068118500. Its totient is φ = 2025911808.

The previous prime is 2047015133. The next prime is 2047015231. The reversal of 2047015153 is 3515107402.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3515107402 = 21757553701.

It can be written as a sum of positive squares in 2 ways, for example, as 1461762289 + 585252864 = 38233^2 + 24192^2 .

It is a cyclic number.

It is not a de Polignac number, because 2047015153 - 213 = 2047006961 is a prime.

It is a super-2 number, since 2×20470151532 = 8380542073223226818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2047015123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10551528 + ... + 10551721.

It is an arithmetic number, because the mean of its divisors is an integer number (517029625).

Almost surely, 22047015153 is an apocalyptic number.

It is an amenable number.

2047015153 is a deficient number, since it is larger than the sum of its proper divisors (21103347).

2047015153 is an equidigital number, since it uses as much as digits as its factorization.

2047015153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21103346.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 2047015153 is about 45243.9515626122. The cubic root of 2047015153 is about 1269.7172481076.

The spelling of 2047015153 in words is "two billion, forty-seven million, fifteen thousand, one hundred fifty-three".

Divisors: 1 97 21103249 2047015153