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7121076536 = 237373436813
BaseRepresentation
bin1101010000111001…
…10000000100111000
3200101021120011120102
412220130300010320
5104040443422121
63134341214532
7341316103040
oct65034600470
920337504512
107121076536
113024731222
121468a01448
13896418b72
144b7a76720
152ba28390b
hex1a8730138

7121076536 has 32 divisors (see below), whose sum is σ = 15671871840. Its totient is φ = 2969405568.

The previous prime is 7121076503. The next prime is 7121076539. The reversal of 7121076536 is 6356701217.

It is a self number, because there is not a number n which added to its sum of digits gives 7121076536.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7121076539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1716335 + ... + 1720478.

It is an arithmetic number, because the mean of its divisors is an integer number (489745995).

Almost surely, 27121076536 is an apocalyptic number.

It is an amenable number.

7121076536 is an abundant number, since it is smaller than the sum of its proper divisors (8550795304).

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

7121076536 is a wasteful number, since it uses less digits than its factorization.

7121076536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3436863 (or 3436859 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 38.

The square root of 7121076536 is about 84386.4712853903. The cubic root of 7121076536 is about 1923.8972971459.

The spelling of 7121076536 in words is "seven billion, one hundred twenty-one million, seventy-six thousand, five hundred thirty-six".

Divisors: 1 2 4 7 8 14 28 37 56 74 148 259 296 518 1036 2072 3436813 6873626 13747252 24057691 27494504 48115382 96230764 127162081 192461528 254324162 508648324 890134567 1017296648 1780269134 3560538268 7121076536