Base | Representation |
---|---|
bin | 1000010011010010001… |
… | …0110110100001111100 |
3 | 111122010010011122011212 |
4 | 2010310202312201330 |
5 | 4314034030103002 |
6 | 145303332303552 |
7 | 13206100340561 |
oct | 2046442664174 |
9 | 448103148155 |
10 | 142615472252 |
11 | 55534797160 |
12 | 23781771bb8 |
13 | 105aa6c1506 |
14 | 6c8cb3a868 |
15 | 3a9a65b352 |
hex | 21348b687c |
142615472252 has 48 divisors (see below), whose sum is σ = 275965720800. Its totient is φ = 63949512960.
The previous prime is 142615472249. The next prime is 142615472257. The reversal of 142615472252 is 252274516241.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142615472257) 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 15 ways as a sum of consecutive naturals, for example, 1033358 + ... + 1163210.
It is an arithmetic number, because the mean of its divisors is an integer number (5749285850).
Almost surely, 2142615472252 is an apocalyptic number.
It is an amenable number.
142615472252 is a deficient number, since it is larger than the sum of its proper divisors (133350248548).
142615472252 is a wasteful number, since it uses less digits than its factorization.
142615472252 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 130206 (or 130204 counting only the distinct ones).
The product of its digits is 268800, while the sum is 41.
Adding to 142615472252 its reverse (252274516241), we get a palindrome (394889988493).
The spelling of 142615472252 in words is "one hundred forty-two billion, six hundred fifteen million, four hundred seventy-two thousand, two hundred fifty-two".
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