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2196087941 = 20531069697
BaseRepresentation
bin1000001011100101…
…1010010010000101
312200001022211022102
42002321122102011
513444144303231
61001525441445
7105264303515
oct20271322205
95601284272
102196087941
11a276a8413
12513570285
1328cc91b28
1416b93d845
15ccbe7acb
hex82e5a485

2196087941 has 4 divisors (see below), whose sum is σ = 2197159692. Its totient is φ = 2195016192.

The previous prime is 2196087919. The next prime is 2196087977. The reversal of 2196087941 is 1497806912.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1338828100 + 857259841 = 36590^2 + 29279^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2196087941 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 (2196087841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 532796 + ... + 536901.

It is an arithmetic number, because the mean of its divisors is an integer number (549289923).

Almost surely, 22196087941 is an apocalyptic number.

It is an amenable number.

2196087941 is a deficient number, since it is larger than the sum of its proper divisors (1071751).

2196087941 is a wasteful number, since it uses less digits than its factorization.

2196087941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1071750.

The product of its (nonzero) digits is 217728, while the sum is 47.

The square root of 2196087941 is about 46862.4363536511. The cubic root of 2196087941 is about 1299.8200818068.

It can be divided in two parts, 21960 and 87941, that added together give a palindrome (109901).

The spelling of 2196087941 in words is "two billion, one hundred ninety-six million, eighty-seven thousand, nine hundred forty-one".

Divisors: 1 2053 1069697 2196087941