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6984671397 = 31131749229
BaseRepresentation
bin1101000000101000…
…11010000010100101
3200000202220001220020
412200110122002211
5103301033441042
63113025425353
7335041504314
oct64024320245
920022801806
106984671397
112a64735000
12142b19b259
13874099b72
144a38ca27b
152ad2dc3ec
hex1a051a0a5

6984671397 has 16 divisors (see below), whose sum is σ = 10243490880. Its totient is φ = 4233131760.

The previous prime is 6984671383. The next prime is 6984671401. The reversal of 6984671397 is 7931764896.

It is not a de Polignac number, because 6984671397 - 219 = 6984147109 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6984671397.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6984671327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 870622 + ... + 878607.

It is an arithmetic number, because the mean of its divisors is an integer number (640218180).

Almost surely, 26984671397 is an apocalyptic number.

It is an amenable number.

6984671397 is a deficient number, since it is larger than the sum of its proper divisors (3258819483).

6984671397 is a wasteful number, since it uses less digits than its factorization.

6984671397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1749265 (or 1749243 counting only the distinct ones).

The product of its digits is 13716864, while the sum is 60.

The square root of 6984671397 is about 83574.3465245167. The cubic root of 6984671397 is about 1911.5338498074.

The spelling of 6984671397 in words is "six billion, nine hundred eighty-four million, six hundred seventy-one thousand, three hundred ninety-seven".

Divisors: 1 3 11 33 121 363 1331 3993 1749229 5247687 19241519 57724557 211656709 634970127 2328223799 6984671397