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6985939936 = 25218310623
BaseRepresentation
bin1101000000110010…
…01111101111100000
3200000212021112000011
412200121033233200
5103301400034221
63113112534304
7335055336553
oct64031175740
920025245004
106985939936
112a65421088
12142b6b1394
13874422391
144a3b3a69a
152ad48d1e1
hex1a064fbe0

6985939936 has 12 divisors (see below), whose sum is σ = 13753569312. Its totient is φ = 3492969952.

The previous prime is 6985939913. The next prime is 6985939943. The reversal of 6985939936 is 6399395896.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 109155280 + ... + 109155343.

It is an arithmetic number, because the mean of its divisors is an integer number (1146130776).

Almost surely, 26985939936 is an apocalyptic number.

It is an amenable number.

6985939936 is a deficient number, since it is larger than the sum of its proper divisors (6767629376).

6985939936 is a wasteful number, since it uses less digits than its factorization.

6985939936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218310633 (or 218310625 counting only the distinct ones).

The product of its digits is 85030560, while the sum is 67.

The square root of 6985939936 is about 83581.9354645488. The cubic root of 6985939936 is about 1911.6495655091.

The spelling of 6985939936 in words is "six billion, nine hundred eighty-five million, nine hundred thirty-nine thousand, nine hundred thirty-six".

Divisors: 1 2 4 8 16 32 218310623 436621246 873242492 1746484984 3492969968 6985939936