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6985337652 = 2232613180937
BaseRepresentation
bin1101000000101101…
…11100101100110100
3200000211010220211100
412200112330230310
5103301221301102
63113052010100
7335050250616
oct64026745464
920024126740
106985337652
112a6504a627
12142b460930
138742711b7
144a3a20db6
152ad3bea1c
hex1a05bcb34

6985337652 has 36 divisors (see below), whose sum is σ = 17946852196. Its totient is φ = 2290273920.

The previous prime is 6985337651. The next prime is 6985337717. The reversal of 6985337652 is 2567335896.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2572924176 + 4412413476 = 50724^2 + 66426^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×69853376522 = 97589884224897746208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6985337651) 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, 1588273 + ... + 1592664.

Almost surely, 26985337652 is an apocalyptic number.

It is an amenable number.

6985337652 is an abundant number, since it is smaller than the sum of its proper divisors (10961514544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6985337652 is a wasteful number, since it uses less digits than its factorization.

6985337652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3181008 (or 3181003 counting only the distinct ones).

The product of its digits is 8164800, while the sum is 54.

The square root of 6985337652 is about 83578.3324313186. The cubic root of 6985337652 is about 1911.5946271116.

The spelling of 6985337652 in words is "six billion, nine hundred eighty-five million, three hundred thirty-seven thousand, six hundred fifty-two".

Divisors: 1 2 3 4 6 9 12 18 36 61 122 183 244 366 549 732 1098 2196 3180937 6361874 9542811 12723748 19085622 28628433 38171244 57256866 114513732 194037157 388074314 582111471 776148628 1164222942 1746334413 2328445884 3492668826 6985337652