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1214220041 = 10311177711
BaseRepresentation
bin100100001011111…
…1000011100001001
310010121202202202122
41020113320130021
54441320020131
6320252541025
742042462056
oct11027703411
93117682678
101214220041
11573439541
1229a781775
13164732ac8
14b739202d
15718e8d7b
hex485f8709

1214220041 has 4 divisors (see below), whose sum is σ = 1215398784. Its totient is φ = 1213041300.

The previous prime is 1214220037. The next prime is 1214220079. The reversal of 1214220041 is 1400224121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1214220041 - 22 = 1214220037 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1214220011) 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, 587825 + ... + 589886.

It is an arithmetic number, because the mean of its divisors is an integer number (303849696).

Almost surely, 21214220041 is an apocalyptic number.

It is an amenable number.

1214220041 is a deficient number, since it is larger than the sum of its proper divisors (1178743).

1214220041 is a wasteful number, since it uses less digits than its factorization.

1214220041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1178742.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 1214220041 is about 34845.6602893388. The cubic root of 1214220041 is about 1066.8396107060.

Adding to 1214220041 its reverse (1400224121), we get a palindrome (2614444162).

The spelling of 1214220041 in words is "one billion, two hundred fourteen million, two hundred twenty thousand, forty-one".

Divisors: 1 1031 1177711 1214220041