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7690671612 = 22321316433059
BaseRepresentation
bin1110010100110011…
…00101010111111100
3201211222100121010100
413022121211113330
5111222302442422
63311045441100
7361403426061
oct71231452774
921758317110
107690671612
113297202458
1215a7710190
1395742a380
1452d586c68
153002977ac
hex1ca6655fc

7690671612 has 36 divisors (see below), whose sum is σ = 20935718440. Its totient is φ = 2366360352.

The previous prime is 7690671557. The next prime is 7690671643. The reversal of 7690671612 is 2161760967.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent 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 11 ways as a sum of consecutive naturals, for example, 8216062 + ... + 8216997.

Almost surely, 27690671612 is an apocalyptic number.

It is an amenable number.

7690671612 is an abundant number, since it is smaller than the sum of its proper divisors (13245046828).

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

7690671612 is a wasteful number, since it uses less digits than its factorization.

7690671612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16433082 (or 16433077 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 45.

The square root of 7690671612 is about 87696.4743419027. The cubic root of 7690671612 is about 1973.8830718827.

The spelling of 7690671612 in words is "seven billion, six hundred ninety million, six hundred seventy-one thousand, six hundred twelve".

Divisors: 1 2 3 4 6 9 12 13 18 26 36 39 52 78 117 156 234 468 16433059 32866118 49299177 65732236 98598354 147897531 197196708 213629767 295795062 427259534 591590124 640889301 854519068 1281778602 1922667903 2563557204 3845335806 7690671612