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1660145224474 = 2111921911094417
BaseRepresentation
bin11000001010001000010…
…111011100101100011010
312212201010101010110020201
4120022020113130230122
5204144434134140344
63310354333412414
7230640642401512
oct30121027345432
95781111113221
101660145224474
11590077776880
122298b733a10a
13c072179c569
145a4cc584842
152d2b69714d4
hex182885dcb1a

1660145224474 has 48 divisors (see below), whose sum is σ = 2882119159296. Its totient is φ = 711151516800.

The previous prime is 1660145224471. The next prime is 1660145224483. The reversal of 1660145224474 is 4744225410661.

It is not an unprimeable number, because it can be changed into a prime (1660145224471) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 969714 + ... + 2064130.

It is an arithmetic number, because the mean of its divisors is an integer number (60044149152).

Almost surely, 21660145224474 is an apocalyptic number.

1660145224474 is a deficient number, since it is larger than the sum of its proper divisors (1221973934822).

1660145224474 is a wasteful number, since it uses less digits than its factorization.

1660145224474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1094659 (or 1094640 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 46.

The spelling of 1660145224474 in words is "one trillion, six hundred sixty billion, one hundred forty-five million, two hundred twenty-four thousand, four hundred seventy-four".

Divisors: 1 2 11 19 22 38 191 209 361 382 418 722 2101 3629 3971 4202 7258 7942 39919 68951 79838 137902 758461 1094417 1516922 2188834 12038587 20793923 24077174 41587846 209033647 228733153 395084537 418067294 457466306 790169074 2299370117 3971639293 4345929907 4598740234 7943278586 8691859814 43688032223 75461146567 87376064446 150922293134 830072612237 1660145224474