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61052116521165 = 3571152858975343
BaseRepresentation
bin11011110000110110011011…
…01101111101000011001101
322000011112011222020112021220
431320123031231331003031
531000234213312134130
6333502542150513553
715600604235004030
oct1570331555750315
9260145158215256
1061052116521165
11184a906a1727a0
126a203863658b9
13280b26123a723
141110d1c61b017
1570d18b8db410
hex3786cdb7d0cd

61052116521165 has 32 divisors (see below), whose sum is σ = 121787079192576. Its totient is φ = 25372308164160.

The previous prime is 61052116521163. The next prime is 61052116521211. The reversal of 61052116521165 is 56112561125016.

It is not a de Polignac number, because 61052116521165 - 21 = 61052116521163 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61052116521163) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26429486517 + ... + 26429488826.

It is an arithmetic number, because the mean of its divisors is an integer number (3805846224768).

Almost surely, 261052116521165 is an apocalyptic number.

It is an amenable number.

61052116521165 is a deficient number, since it is larger than the sum of its proper divisors (60734962671411).

61052116521165 is a wasteful number, since it uses less digits than its factorization.

61052116521165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52858975369.

The product of its (nonzero) digits is 108000, while the sum is 42.

The spelling of 61052116521165 in words is "sixty-one trillion, fifty-two billion, one hundred sixteen million, five hundred twenty-one thousand, one hundred sixty-five".

Divisors: 1 3 5 7 11 15 21 33 35 55 77 105 165 231 385 1155 52858975343 158576926029 264294876715 370012827401 581448728773 792884630145 1110038482203 1744346186319 1850064137005 2907243643865 4070141101411 5550192411015 8721730931595 12210423304233 20350705507055 61052116521165