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538890814176 = 2531113157250031
BaseRepresentation
bin1111101011110000110…
…01010100001011100000
31220111222020010202211120
413311320121110023200
532312122022023201
61051321340212240
753635134225261
oct7657031241340
91814866122746
10538890814176
111985a68a7840
128853553a080
133ba81484560
141c122380968
15e04006c536
hex7d786542e0

538890814176 has 192 divisors, whose sum is σ = 1672486050816. Its totient is φ = 149777971200.

The previous prime is 538890814117. The next prime is 538890814247. The reversal of 538890814176 is 671418098835.

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 31 ways as a sum of consecutive naturals, for example, 2030281 + ... + 2280311.

It is an arithmetic number, because the mean of its divisors is an integer number (8710864848).

Almost surely, 2538890814176 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 538890814176, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (836243025408).

538890814176 is an abundant number, since it is smaller than the sum of its proper divisors (1133595236640).

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

538890814176 is a wasteful number, since it uses less digits than its factorization.

538890814176 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250225 (or 250217 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 60.

The spelling of 538890814176 in words is "five hundred thirty-eight billion, eight hundred ninety million, eight hundred fourteen thousand, one hundred seventy-six".