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2137125489187 = 13678237297881
BaseRepresentation
bin11111000110010110100…
…110110000101000100011
321120022021221122110011211
4133012112212300220203
5240003313111123222
64313440520050551
7310254650634253
oct37062646605043
97508257573154
102137125489187
11754393695457
122a6233003a57
131266b773b3a0
147561a41d963
153a8d1697277
hex1f1969b0a23

2137125489187 has 16 divisors (see below), whose sum is σ = 2336162224032. Its totient is φ = 1943045026560.

The previous prime is 2137125489143. The next prime is 2137125489211. The reversal of 2137125489187 is 7819845217312.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2137125489187 - 215 = 2137125456419 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2137125480187) 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, 7025487 + ... + 7323367.

It is an arithmetic number, because the mean of its divisors is an integer number (146010139002).

Almost surely, 22137125489187 is an apocalyptic number.

2137125489187 is a deficient number, since it is larger than the sum of its proper divisors (199036734845).

2137125489187 is a wasteful number, since it uses less digits than its factorization.

2137125489187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306198.

The product of its digits is 6773760, while the sum is 58.

The spelling of 2137125489187 in words is "two trillion, one hundred thirty-seven billion, one hundred twenty-five million, four hundred eighty-nine thousand, one hundred eighty-seven".

Divisors: 1 13 67 871 8237 107081 297881 551879 3872453 7174427 19958027 259454351 2453645797 31897395361 164394268399 2137125489187