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161115050664007 = 11433531716756209
BaseRepresentation
bin100100101000100010000101…
…010111001110000001000111
3210010110110002220020202121221
4210220202011113032001013
5132104202110432222012
61330355122114421211
745636115102426306
oct4450420527160107
9703413086222557
10161115050664007
1147377566925970
12160a1214591807
136bb911297713b
142bb001d86443d
151395e8b2e4507
hex9288855ce047

161115050664007 has 32 divisors (see below), whose sum is σ = 180372562191360. Its totient is φ = 142645867499520.

The previous prime is 161115050663981. The next prime is 161115050664019. The reversal of 161115050664007 is 700466050511161.

It is not a de Polignac number, because 161115050664007 - 235 = 161080690925639 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161115050661007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2866328719 + ... + 2866384927.

It is an arithmetic number, because the mean of its divisors is an integer number (5636642568480).

Almost surely, 2161115050664007 is an apocalyptic number.

161115050664007 is a deficient number, since it is larger than the sum of its proper divisors (19257511527353).

161115050664007 is a wasteful number, since it uses less digits than its factorization.

161115050664007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73783.

The product of its (nonzero) digits is 151200, while the sum is 43.

The spelling of 161115050664007 in words is "one hundred sixty-one trillion, one hundred fifteen billion, fifty million, six hundred sixty-four thousand, seven".

Divisors: 1 11 43 353 473 3883 15179 17167 56209 166969 188837 618299 738181 2416987 6059951 8119991 19841777 26586857 66659461 218259547 260577893 853196411 964939903 2866356823 9385160521 10614338933 41492415829 340623785759 456416574119 3746861643349 14646822787637 161115050664007