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142211502203031 = 3231753776762257
BaseRepresentation
bin100000010101011100110010…
…000100100110000010010111
3200122112021202002210112100100
4200111130302010212002113
5122114443124030444111
61222243021234145143
741645304411614562
oct4025346204460227
9618467662715310
10142211502203031
1141349617602648
1213b496604221b3
136147644265321
1427191056d94d9
1511693aa62d756
hex815732126097

142211502203031 has 24 divisors (see below), whose sum is σ = 212045801145984. Its totient is φ = 91748125486080.

The previous prime is 142211502203003. The next prime is 142211502203033. The reversal of 142211502203031 is 130302205112241.

It is a happy number.

142211502203031 is a `hidden beast` number, since 1 + 4 + 22 + 115 + 0 + 220 + 303 + 1 = 666.

It is not a de Polignac number, because 142211502203031 - 211 = 142211502200983 is a prime.

It is a super-2 number, since 2×1422115022030312 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 142211502202986 and 142211502203004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142211502203033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17649055 + ... + 24411311.

It is an arithmetic number, because the mean of its divisors is an integer number (8835241714416).

Almost surely, 2142211502203031 is an apocalyptic number.

142211502203031 is a deficient number, since it is larger than the sum of its proper divisors (69834298942953).

142211502203031 is a wasteful number, since it uses less digits than its factorization.

142211502203031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6837671 (or 6837668 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

Adding to 142211502203031 its reverse (130302205112241), we get a palindrome (272513707315272).

The spelling of 142211502203031 in words is "one hundred forty-two trillion, two hundred eleven billion, five hundred two million, two hundred three thousand, thirty-one".

Divisors: 1 3 9 31 93 279 75377 226131 678393 2336687 6762257 7010061 20286771 21030183 60860313 209629967 628889901 1886669703 509718645889 1529155937667 4587467813001 15801278022559 47403834067677 142211502203031