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147639834987373 = 971522060154509
BaseRepresentation
bin100001100100011100010011…
…111010110100101101101101
3201100202020012221121121012101
4201210130103322310231231
5123322412340224043443
61242000445344535101
743045424513150611
oct4144342372645555
9640666187547171
10147639834987373
114305177a984753
121468570a021491
13644c4b87c1871
142865b4009d341
1512106b6ce784d
hex864713eb4b6d

147639834987373 has 4 divisors (see below), whose sum is σ = 149161895141980. Its totient is φ = 146117774832768.

The previous prime is 147639834987341. The next prime is 147639834987397. The reversal of 147639834987373 is 373789438936741.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 115095069128169 + 32544765859204 = 10728237^2 + 5704802^2 .

It is a cyclic number.

It is not a de Polignac number, because 147639834987373 - 25 = 147639834987341 is a prime.

It is a super-2 number, since 2×1476398349873732 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147639834987773) 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, 761030077158 + ... + 761030077351.

It is an arithmetic number, because the mean of its divisors is an integer number (37290473785495).

Almost surely, 2147639834987373 is an apocalyptic number.

It is an amenable number.

147639834987373 is a deficient number, since it is larger than the sum of its proper divisors (1522060154607).

147639834987373 is an equidigital number, since it uses as much as digits as its factorization.

147639834987373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1522060154606.

The product of its digits is 13826598912, while the sum is 82.

The spelling of 147639834987373 in words is "one hundred forty-seven trillion, six hundred thirty-nine billion, eight hundred thirty-four million, nine hundred eighty-seven thousand, three hundred seventy-three".

Divisors: 1 97 1522060154509 147639834987373