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47242615370138 = 2171389488687357
BaseRepresentation
bin10101011110111100001110…
…10011101011000110011010
320012021100110002111210001022
422233132013103223012122
522143010334013321023
6244250542523122442
712644111022656456
oct1257360723530632
9205240402453038
1047242615370138
1114064531844981
12536bb28373422
132048c620896b6
14b947aa483666
1556dd4ec917c8
hex2af7874eb19a

47242615370138 has 8 divisors (see below), whose sum is σ = 75032389117332. Its totient is φ = 22231818997696.

The previous prime is 47242615370113. The next prime is 47242615370149. The reversal of 47242615370138 is 83107351624274.

It can be written as a sum of positive squares in 2 ways, for example, as 36852585020689 + 10390030349449 = 6070633^2 + 3223357^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 47242615370138.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 694744343645 + ... + 694744343712.

Almost surely, 247242615370138 is an apocalyptic number.

47242615370138 is a deficient number, since it is larger than the sum of its proper divisors (27789773747194).

47242615370138 is a wasteful number, since it uses less digits than its factorization.

47242615370138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1389488687376.

The product of its (nonzero) digits is 6773760, while the sum is 53.

The spelling of 47242615370138 in words is "forty-seven trillion, two hundred forty-two billion, six hundred fifteen million, three hundred seventy thousand, one hundred thirty-eight".

Divisors: 1 2 17 34 1389488687357 2778977374714 23621307685069 47242615370138