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137688378186017 = 2337161795979067
BaseRepresentation
bin11111010011101000010010…
…110111110001100100100001
3200001111212202210222100020002
4133103220102313301210201
5121021341244303423032
61204501100121025345
741000441240050631
oct3723502267614441
9601455683870202
10137688378186017
113a965349a5931a
1213538b1b325255
135ba9c5c65a529
1426002200046c1
1510db8cd8d4862
hex7d3a12df1921

137688378186017 has 8 divisors (see below), whose sum is σ = 147557932910016. Its totient is φ = 128142415420272.

The previous prime is 137688378185947. The next prime is 137688378186031. The reversal of 137688378186017 is 710681873886731.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 137688378186017 - 214 = 137688378169633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137688378186517) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80897988683 + ... + 80897990384.

It is an arithmetic number, because the mean of its divisors is an integer number (18444741613752).

Almost surely, 2137688378186017 is an apocalyptic number.

It is an amenable number.

137688378186017 is a deficient number, since it is larger than the sum of its proper divisors (9869554723999).

137688378186017 is a wasteful number, since it uses less digits than its factorization.

137688378186017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161795979127.

The product of its (nonzero) digits is 455196672, while the sum is 74.

The spelling of 137688378186017 in words is "one hundred thirty-seven trillion, six hundred eighty-eight billion, three hundred seventy-eight million, one hundred eighty-six thousand, seventeen".

Divisors: 1 23 37 851 161795979067 3721307518541 5986451225479 137688378186017