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142520541541 = 759714860367
BaseRepresentation
bin1000010010111011100…
…0101110000101100101
3111121212111112122201121
42010232320232011211
54313340224312131
6145250101453541
713203535420630
oct2045670560545
9447774478647
10142520541541
1155496148324
1223755a112b1
1310593b341b1
146c802a8c17
153a92158911
hex212ee2e165

142520541541 has 16 divisors (see below), whose sum is σ = 167974318080. Its totient is φ = 118398515760.

The previous prime is 142520541533. The next prime is 142520541547. The reversal of 142520541541 is 145145025241.

It is not a de Polignac number, because 142520541541 - 23 = 142520541533 is a prime.

It is a super-2 number, since 2×1425205415412 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142520541497 and 142520541506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142520541547) 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, 2400861 + ... + 2459506.

It is an arithmetic number, because the mean of its divisors is an integer number (10498394880).

Almost surely, 2142520541541 is an apocalyptic number.

It is an amenable number.

142520541541 is a deficient number, since it is larger than the sum of its proper divisors (25453776539).

142520541541 is an equidigital number, since it uses as much as digits as its factorization.

142520541541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4860504.

The product of its (nonzero) digits is 32000, while the sum is 34.

Adding to 142520541541 its reverse (145145025241), we get a palindrome (287665566782).

The spelling of 142520541541 in words is "one hundred forty-two billion, five hundred twenty million, five hundred forty-one thousand, five hundred forty-one".

Divisors: 1 7 59 71 413 497 4189 29323 4860367 34022569 286761653 345086057 2007331571 2415602399 20360077363 142520541541