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474160185161 = 13219147667451
BaseRepresentation
bin1101110011001100010…
…01100011111101001001
31200022220001001010001022
412321212021203331021
530232040001411121
61001454242202225
746154063034245
oct6714611437511
91608801033038
10474160185161
111730aa077123
1277a8b353375
1335936931200
1418d41509425
15c502371aab
hex6e66263f49

474160185161 has 12 divisors (see below), whose sum is σ = 540462874320. Its totient is φ = 414650199600.

The previous prime is 474160185127. The next prime is 474160185167. The reversal of 474160185161 is 161581061474.

It is not a de Polignac number, because 474160185161 - 26 = 474160185097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (474160185167) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73830515 + ... + 73836936.

It is an arithmetic number, because the mean of its divisors is an integer number (45038572860).

Almost surely, 2474160185161 is an apocalyptic number.

It is an amenable number.

474160185161 is a deficient number, since it is larger than the sum of its proper divisors (66302689159).

474160185161 is a wasteful number, since it uses less digits than its factorization.

474160185161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147667496 (or 147667483 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 44.

The spelling of 474160185161 in words is "four hundred seventy-four billion, one hundred sixty million, one hundred eighty-five thousand, one hundred sixty-one".

Divisors: 1 13 19 169 247 3211 147667451 1919676863 2805681569 24955799219 36473860397 474160185161