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6971630442 = 2371924773527
BaseRepresentation
bin1100111111000101…
…01010001101101010
3122222212100112001220
412133202222031222
5103234214133232
63111442122510
7334522611120
oct63742521552
918885315056
106971630442
112a58338157
121426950436
1387148211a
144a1c93910
152ac0b342c
hex19f8aa36a

6971630442 has 64 divisors (see below), whose sum is σ = 16785377280. Its totient is φ = 1885761216.

The previous prime is 6971630431. The next prime is 6971630467. The reversal of 6971630442 is 2440361796.

It is a super-2 number, since 2×69716304422 = 97207262039642230728, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 6971630394 and 6971630403.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1974883 + ... + 1978409.

It is an arithmetic number, because the mean of its divisors is an integer number (262271520).

Almost surely, 26971630442 is an apocalyptic number.

6971630442 is an abundant number, since it is smaller than the sum of its proper divisors (9813746838).

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

6971630442 is a wasteful number, since it uses less digits than its factorization.

6971630442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6035.

The product of its (nonzero) digits is 217728, while the sum is 42.

The square root of 6971630442 is about 83496.2899894361. The cubic root of 6971630442 is about 1910.3434450883.

The spelling of 6971630442 in words is "six billion, nine hundred seventy-one million, six hundred thirty thousand, four hundred forty-two".

Divisors: 1 2 3 6 7 14 19 21 38 42 57 114 133 266 399 798 2477 3527 4954 7054 7431 10581 14862 17339 21162 24689 34678 47063 49378 52017 67013 74067 94126 104034 134026 141189 148134 201039 282378 329441 402078 469091 658882 938182 988323 1407273 1976646 2814546 8736379 17472758 26209137 52418274 61154653 122309306 165991201 183463959 331982402 366927918 497973603 995947206 1161938407 2323876814 3485815221 6971630442