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6997946164 = 22111719492397
BaseRepresentation
bin1101000010001110…
…00010111100110100
3200001200212111110021
412201013002330310
5103312433234124
63114222134524
7335262363256
oct64107027464
920050774407
106997946164
112a71181590
121433721444
13876a67161
144a5583cd6
152ae5607e4
hex1a11c2f34

6997946164 has 48 divisors (see below), whose sum is σ = 14890115520. Its totient is φ = 2836200960.

The previous prime is 6997946143. The next prime is 6997946171. The reversal of 6997946164 is 4616497996.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 231987 + ... + 260410.

It is an arithmetic number, because the mean of its divisors is an integer number (310210740).

Almost surely, 26997946164 is an apocalyptic number.

It is an amenable number.

6997946164 is an abundant number, since it is smaller than the sum of its proper divisors (7892169356).

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

6997946164 is a wasteful number, since it uses less digits than its factorization.

6997946164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492448 (or 492446 counting only the distinct ones).

The product of its digits is 17635968, while the sum is 61.

The square root of 6997946164 is about 83653.7277352301. The cubic root of 6997946164 is about 1912.7440765229.

The spelling of 6997946164 in words is "six billion, nine hundred ninety-seven million, nine hundred forty-six thousand, one hundred sixty-four".

Divisors: 1 2 4 11 17 19 22 34 38 44 68 76 187 209 323 374 418 646 748 836 1292 3553 7106 14212 492397 984794 1969588 5416367 8370749 9355543 10832734 16741498 18711086 21665468 33482996 37422172 92078239 102910973 159044231 184156478 205821946 318088462 368312956 411643892 636176924 1749486541 3498973082 6997946164