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142576505537 = 473033542671
BaseRepresentation
bin1000010011001000111…
…0001101001011000001
3111122000101211220220012
42010302032031023001
54313444041134122
6145255421154305
713205115205154
oct2046216151301
9448011756805
10142576505537
11555147a1964
12237706bb995
13105a25ca09b
146c878b5c9b
153a970107e2
hex213238d2c1

142576505537 has 4 divisors (see below), whose sum is σ = 145610048256. Its totient is φ = 139542962820.

The previous prime is 142576505507. The next prime is 142576505557. The reversal of 142576505537 is 735505675241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 142576505537 - 26 = 142576505473 is a prime.

It is a super-2 number, since 2×1425765055372 (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 (142576505507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1516771289 + ... + 1516771382.

It is an arithmetic number, because the mean of its divisors is an integer number (36402512064).

Almost surely, 2142576505537 is an apocalyptic number.

It is an amenable number.

142576505537 is a deficient number, since it is larger than the sum of its proper divisors (3033542719).

142576505537 is an equidigital number, since it uses as much as digits as its factorization.

142576505537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3033542718.

The product of its (nonzero) digits is 4410000, while the sum is 50.

The spelling of 142576505537 in words is "one hundred forty-two billion, five hundred seventy-six million, five hundred five thousand, five hundred thirty-seven".

Divisors: 1 47 3033542671 142576505537