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161106115160251 = 732638391380549
BaseRepresentation
bin100100101000011001110000…
…110000111110100010111011
3210010102121001011112010211101
4210220121300300332202323
5132104030310440112001
61330351043315512231
745635350502050042
oct4450316060764273
9703377034463741
10161106115160251
11473737a0a86718
121609b53bbb8677
136bb831a689501
142bad812c3b559
151395b16b07a01
hex928670c3e8bb

161106115160251 has 8 divisors (see below), whose sum is σ = 163934010424800. Its totient is φ = 158295002657472.

The previous prime is 161106115160209. The next prime is 161106115160257. The reversal of 161106115160251 is 152061511601161.

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 161106115160251 - 217 = 161106115029179 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 161106115160251.

It is not an unprimeable number, because it can be changed into a prime (161106115160257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4195671076 + ... + 4195709473.

It is an arithmetic number, because the mean of its divisors is an integer number (20491751303100).

Almost surely, 2161106115160251 is an apocalyptic number.

161106115160251 is a deficient number, since it is larger than the sum of its proper divisors (2827895264549).

161106115160251 is an equidigital number, since it uses as much as digits as its factorization.

161106115160251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8391380885.

The product of its (nonzero) digits is 10800, while the sum is 37.

The spelling of 161106115160251 in words is "one hundred sixty-one trillion, one hundred six billion, one hundred fifteen million, one hundred sixty thousand, two hundred fifty-one".

Divisors: 1 73 263 19199 8391380549 612570780077 2206933084387 161106115160251