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142232003313021 = 3215803555923669
BaseRepresentation
bin100000010101101111111000…
…000010000111110101111101
3200122121020122212020211021100
4200111233320002013311331
5122120312120322004041
61222300251424123313
741646631430310546
oct4025577002076575
9618536585224240
10142232003313021
1141357287986a56
1213b51622166539
1361495606c333b
14271a0cc3854cd
151169baa3816b6
hex815bf8087d7d

142232003313021 has 6 divisors (see below), whose sum is σ = 205446227007710. Its totient is φ = 94821335542008.

The previous prime is 142232003313011. The next prime is 142232003313041. The reversal of 142232003313021 is 120313300232241.

142232003313021 is a `hidden beast` number, since 1 + 4 + 2 + 2 + 3 + 20 + 0 + 331 + 302 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 129240404876025 + 12991598436996 = 11368395^2 + 3604386^2 .

It is not a de Polignac number, because 142232003313021 - 218 = 142232003050877 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 (142232003313011) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7901777961826 + ... + 7901777961843.

Almost surely, 2142232003313021 is an apocalyptic number.

It is an amenable number.

142232003313021 is a deficient number, since it is larger than the sum of its proper divisors (63214223694689).

142232003313021 is a wasteful number, since it uses less digits than its factorization.

142232003313021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15803555923675 (or 15803555923672 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 142232003313021 its reverse (120313300232241), we get a palindrome (262545303545262).

The spelling of 142232003313021 in words is "one hundred forty-two trillion, two hundred thirty-two billion, three million, three hundred thirteen thousand, twenty-one".

Divisors: 1 3 9 15803555923669 47410667771007 142232003313021