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7872339020 = 2257213312643
BaseRepresentation
bin1110101010011101…
…00101110001001100
3202022122012020221212
413111032211301030
5112110304322040
63341055313552
7366040530500
oct72516456114
922278166855
107872339020
11337a803907
12163851b8b8
13985c66190
14549756300
153111ced65
hex1d53a5c4c

7872339020 has 216 divisors, whose sum is σ = 21433213872. Its totient is φ = 2407345920.

The previous prime is 7872339017. The next prime is 7872339049. The reversal of 7872339020 is 209332787.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 12242819 + ... + 12243461.

It is an arithmetic number, because the mean of its divisors is an integer number (99227842).

Almost surely, 27872339020 is an apocalyptic number.

7872339020 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7872339020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10716606936).

7872339020 is an abundant number, since it is smaller than the sum of its proper divisors (13560874852).

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

7872339020 is a wasteful number, since it uses less digits than its factorization.

7872339020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 741 (or 701 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 41.

The square root of 7872339020 is about 88726.2025559530. The cubic root of 7872339020 is about 1989.3044899913.

The spelling of 7872339020 in words is "seven billion, eight hundred seventy-two million, three hundred thirty-nine thousand, twenty".