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1214142141 = 31214333329
BaseRepresentation
bin100100001011110…
…0101011010111101
310010121121210220110
41020113211122331
54441310022031
6320251140233
742042016002
oct11027453275
93117553813
101214142141
11573395a63
1229a744679
13164706504
14b73718a9
15718d0c46
hex485e56bd

1214142141 has 8 divisors (see below), whose sum is σ = 1619038080. Its totient is φ = 809337152.

The previous prime is 1214142133. The next prime is 1214142157. The reversal of 1214142141 is 1412414121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1214142141 - 23 = 1214142133 is a prime.

It is a super-2 number, since 2×12141421412 = 2948282277104127762, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1214132141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19765 + ... + 53093.

It is an arithmetic number, because the mean of its divisors is an integer number (202379760).

Almost surely, 21214142141 is an apocalyptic number.

It is an amenable number.

1214142141 is a deficient number, since it is larger than the sum of its proper divisors (404895939).

1214142141 is a wasteful number, since it uses less digits than its factorization.

1214142141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45475.

The product of its digits is 256, while the sum is 21.

The square root of 1214142141 is about 34844.5424851583. The cubic root of 1214142141 is about 1066.8167953513.

Adding to 1214142141 its reverse (1412414121), we get a palindrome (2626556262).

The spelling of 1214142141 in words is "one billion, two hundred fourteen million, one hundred forty-two thousand, one hundred forty-one".

Divisors: 1 3 12143 33329 36429 99987 404714047 1214142141