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142210411441 = 7236563134587
BaseRepresentation
bin1000010001110001100…
…1101010101110110001
3111121001212222102012121
42010130121222232301
54312221331131231
6145155222354241
713163051360350
oct2043431525661
9447055872177
10142210411441
1155347084a5a
1223689b8b981
13105447ca567
146c51019997
153a74ce8311
hex211c66abb1

142210411441 has 16 divisors (see below), whose sum is σ = 169619641344. Its totient is φ = 116576239824.

The previous prime is 142210411393. The next prime is 142210411451. The reversal of 142210411441 is 144114012241.

It is a cyclic number.

It is not a de Polignac number, because 142210411441 - 213 = 142210403249 is a prime.

It is a super-2 number, since 2×1422104114412 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142210411451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 989350 + ... + 1123936.

It is an arithmetic number, because the mean of its divisors is an integer number (10601227584).

Almost surely, 2142210411441 is an apocalyptic number.

It is an amenable number.

142210411441 is a deficient number, since it is larger than the sum of its proper divisors (27409229903).

142210411441 is a wasteful number, since it uses less digits than its factorization.

142210411441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141180.

The product of its (nonzero) digits is 1024, while the sum is 25.

Adding to 142210411441 its reverse (144114012241), we get a palindrome (286324423682).

The spelling of 142210411441 in words is "one hundred forty-two billion, two hundred ten million, four hundred eleven thousand, four hundred forty-one".

Divisors: 1 7 23 161 6563 45941 134587 150949 942109 1056643 3095501 21668507 883294481 6183061367 20315773063 142210411441