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161542424645301 = 37148912239422111
BaseRepresentation
bin100100101110110000000110…
…110101100100111010110101
3210011222022020022210110112210
4210232300012311210322311
5132133202341202122201
61331323322042204033
746012024606351050
oct4456600665447265
9704868208713483
10161542424645301
11475218373455a7
12161500071b3619
136c1a5015c783b
142bc69a33b9a97
1513a2150ee71d6
hex92ec06d64eb5

161542424645301 has 32 divisors (see below), whose sum is σ = 246345913958400. Its totient is φ = 92240206606080.

The previous prime is 161542424645281. The next prime is 161542424645317. The reversal of 161542424645301 is 103546424245161.

161542424645301 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 161542424645301 - 211 = 161542424643253 is a prime.

It is a super-2 number, since 2×1615424246453012 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161542424640301) 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, 382490236 + ... + 382912346.

It is an arithmetic number, because the mean of its divisors is an integer number (7698309811200).

Almost surely, 2161542424645301 is an apocalyptic number.

It is an amenable number.

161542424645301 is a deficient number, since it is larger than the sum of its proper divisors (84803489313099).

161542424645301 is a wasteful number, since it uses less digits than its factorization.

161542424645301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435849.

The product of its (nonzero) digits is 2764800, while the sum is 48.

The spelling of 161542424645301 in words is "one hundred sixty-one trillion, five hundred forty-two billion, four hundred twenty-four million, six hundred forty-five thousand, three hundred one".

Divisors: 1 3 7 21 1489 4467 10423 12239 31269 36717 85673 257019 422111 1266333 2954777 8864331 18223871 54671613 127567097 382701291 628523279 1885569837 4399662953 5166216529 13198988859 15498649587 36163515703 108490547109 7692496411681 23077489235043 53847474881767 161542424645301