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6987108902596 = 2213216572
BaseRepresentation
bin110010110101101000000…
…1001001110011011000100
3220201221221122002101012021
41211223100021032123010
51403434044334340341
622505500012332524
71320542033513644
oct145532011163304
926657848071167
106987108902596
112254241905039
1294a194774144
133b8b5c996644
141a226c138524
15c1b3db0e9d1
hex65ad024e6c4

6987108902596 has 9 divisors (see below), whose sum is σ = 12227449831149. Its totient is φ = 3493551807984.

The previous prime is 6987108902549. The next prime is 6987108902617. The reversal of 6987108902596 is 6952098017896.

The square root of 6987108902596 is 2643314.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 6481963240900 + 505145661696 = 2545970^2 + 710736^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 4625800 + ... + 5947456.

Almost surely, 26987108902596 is an apocalyptic number.

6987108902596 is the 2643314-th square number.

It is an amenable number.

6987108902596 is a deficient number, since it is larger than the sum of its proper divisors (5240340928553).

6987108902596 is an frugal number, since it uses more digits than its factorization.

6987108902596 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2643318 (or 1321659 counting only the distinct ones).

The product of its (nonzero) digits is 117573120, while the sum is 70.

The spelling of 6987108902596 in words is "six trillion, nine hundred eighty-seven billion, one hundred eight million, nine hundred two thousand, five hundred ninety-six".

Divisors: 1 2 4 1321657 2643314 5286628 1746777225649 3493554451298 6987108902596