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6942989164 = 223115581181
BaseRepresentation
bin1100111011101010…
…11001101101101100
3122220212110101121211
412131311121231230
5103204401123124
63104540204204
7334024301626
oct63565315554
918825411554
106942989164
112a43155581
121419239664
13868564717
1449c159c16
152a9806e94
hex19dd59b6c

6942989164 has 12 divisors (see below), whose sum is σ = 12189301488. Its totient is φ = 3460331600.

The previous prime is 6942989153. The next prime is 6942989173. The reversal of 6942989164 is 4619892496.

It is a junction number, because it is equal to n+sod(n) for n = 6942989099 and 6942989108.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2789347 + ... + 2791834.

It is an arithmetic number, because the mean of its divisors is an integer number (1015775124).

Almost surely, 26942989164 is an apocalyptic number.

It is an amenable number.

6942989164 is a deficient number, since it is larger than the sum of its proper divisors (5246312324).

6942989164 is a wasteful number, since it uses less digits than its factorization.

6942989164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5581496 (or 5581494 counting only the distinct ones).

The product of its digits is 6718464, while the sum is 58.

The square root of 6942989164 is about 83324.6011931650. The cubic root of 6942989164 is about 1907.7237911916.

The spelling of 6942989164 in words is "six billion, nine hundred forty-two million, nine hundred eighty-nine thousand, one hundred sixty-four".

Divisors: 1 2 4 311 622 1244 5581181 11162362 22324724 1735747291 3471494582 6942989164