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2152202071 = 12716946473
BaseRepresentation
bin1000000001000111…
…1111111101010111
312112222202012012211
42000101333331113
513401430431241
6553321054251
7104222262415
oct20021777527
95488665184
102152202071
11a049532a8
12500927387
13283b67666
14165b982b5
15c8e29781
hex8047ff57

2152202071 has 4 divisors (see below), whose sum is σ = 2169148672. Its totient is φ = 2135255472.

The previous prime is 2152202033. The next prime is 2152202081. The reversal of 2152202071 is 1702022512.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2152202071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2152202081) 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, 8473110 + ... + 8473363.

It is an arithmetic number, because the mean of its divisors is an integer number (542287168).

Almost surely, 22152202071 is an apocalyptic number.

2152202071 is a deficient number, since it is larger than the sum of its proper divisors (16946601).

2152202071 is a wasteful number, since it uses less digits than its factorization.

2152202071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16946600.

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 2152202071 is about 46391.8319427030. The cubic root of 2152202071 is about 1291.1033708338.

Adding to 2152202071 its reverse (1702022512), we get a palindrome (3854224583).

The spelling of 2152202071 in words is "two billion, one hundred fifty-two million, two hundred two thousand, seventy-one".

Divisors: 1 127 16946473 2152202071