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6990263270 = 252330392449
BaseRepresentation
bin1101000001010011…
…01111001111100110
3200001011102011111122
412200221233033212
5103304001411040
63113345333542
7335140154204
oct64051571746
920034364448
106990263270
112a67904291
1214310372b2
138752a7173
144a4544074
152ada441b5
hex1a0a6f3e6

6990263270 has 16 divisors (see below), whose sum is σ = 13129538400. Its totient is φ = 2674535424.

The previous prime is 6990263213. The next prime is 6990263279. The reversal of 6990263270 is 723620996.

It is a super-2 number, since 2×69902632702 = 97727561167822185800, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6990263279) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15195995 + ... + 15196454.

It is an arithmetic number, because the mean of its divisors is an integer number (820596150).

Almost surely, 26990263270 is an apocalyptic number.

6990263270 is a deficient number, since it is larger than the sum of its proper divisors (6139275130).

6990263270 is a wasteful number, since it uses less digits than its factorization.

6990263270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30392479.

The product of its (nonzero) digits is 244944, while the sum is 44.

The square root of 6990263270 is about 83607.7943136882. The cubic root of 6990263270 is about 1912.0438333920.

The spelling of 6990263270 in words is "six billion, nine hundred ninety million, two hundred sixty-three thousand, two hundred seventy".

Divisors: 1 2 5 10 23 46 115 230 30392449 60784898 151962245 303924490 699026327 1398052654 3495131635 6990263270