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2997193221189 = 322161154105261
BaseRepresentation
bin101011100111010110101…
…000110010010001000101
3101121112021112211010202100
4223213112220302101011
5343101222431034224
610212520324302313
7426353146013346
oct53472650622105
911545245733670
102997193221189
11a56114489272
12404a61b41999
1318983219b33b
14a50ca22a0cd
1552e6d11aac9
hex2b9d6a32445

2997193221189 has 12 divisors (see below), whose sum is σ = 4331282493772. Its totient is φ = 1997204169600.

The previous prime is 2997193221173. The next prime is 2997193221263. The reversal of 2997193221189 is 9811223917992.

2997193221189 is a `hidden beast` number, since 299 + 7 + 1 + 9 + 322 + 1 + 18 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1988193061089 + 1009000160100 = 1410033^2 + 1004490^2 .

It is not a de Polignac number, because 2997193221189 - 24 = 2997193221173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2997193226189) 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, 77033182 + ... + 77072079.

Almost surely, 22997193221189 is an apocalyptic number.

It is an amenable number.

2997193221189 is a deficient number, since it is larger than the sum of its proper divisors (1334089272583).

2997193221189 is a wasteful number, since it uses less digits than its factorization.

2997193221189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154107428 (or 154107425 counting only the distinct ones).

The product of its digits is 8817984, while the sum is 63.

The spelling of 2997193221189 in words is "two trillion, nine hundred ninety-seven billion, one hundred ninety-three million, two hundred twenty-one thousand, one hundred eighty-nine".

Divisors: 1 3 9 2161 6483 19449 154105261 462315783 1386947349 333021469021 999064407063 2997193221189