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1342144121 = 10757721739
BaseRepresentation
bin100111111111111…
…0111111001111001
310110112110222121112
41033333313321321
510222042102441
6341102450105
745155015423
oct11777677171
93415428545
101342144121
1162967281a
12315593935
131850a2726
14ca371813
157cc674eb
hex4fff7e79

1342144121 has 8 divisors (see below), whose sum is σ = 1357097760. Its totient is φ = 1327235328.

The previous prime is 1342144103. The next prime is 1342144123. The reversal of 1342144121 is 1214412431.

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 1342144121 - 26 = 1342144057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1342144123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50870 + ... + 72608.

It is an arithmetic number, because the mean of its divisors is an integer number (169637220).

Almost surely, 21342144121 is an apocalyptic number.

It is an amenable number.

1342144121 is a deficient number, since it is larger than the sum of its proper divisors (14953639).

1342144121 is a wasteful number, since it uses less digits than its factorization.

1342144121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22423.

The product of its digits is 768, while the sum is 23.

The square root of 1342144121 is about 36635.2851906465. The cubic root of 1342144121 is about 1103.0614772956.

Adding to 1342144121 its reverse (1214412431), we get a palindrome (2556556552).

The spelling of 1342144121 in words is "one billion, three hundred forty-two million, one hundred forty-four thousand, one hundred twenty-one".

Divisors: 1 107 577 21739 61739 2326073 12543403 1342144121