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52780050552750 = 235370373400737
BaseRepresentation
bin11000000000000110100000…
…01010100001011110101110
320220212201112110201221011220
430000003100022201132232
523404222020420142000
6304130453120524210
714055142566263343
oct1400032012413656
9226781473657156
1052780050552750
11158a9991622684
125b05164180666
13235b1a2b78c51
14d067d4b367ca
15617de484c1a0
hex3000d02a17ae

52780050552750 has 32 divisors (see below), whose sum is σ = 131739006181536. Its totient is φ = 14074680147200.

The previous prime is 52780050552721. The next prime is 52780050552769. The reversal of 52780050552750 is 5725505008725.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 52780050552693 and 52780050552702.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 35186699619 + ... + 35186701118.

It is an arithmetic number, because the mean of its divisors is an integer number (4116843943173).

Almost surely, 252780050552750 is an apocalyptic number.

52780050552750 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

52780050552750 is an abundant number, since it is smaller than the sum of its proper divisors (78958955628786).

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

52780050552750 is a wasteful number, since it uses less digits than its factorization.

52780050552750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70373400757 (or 70373400747 counting only the distinct ones).

The product of its (nonzero) digits is 4900000, while the sum is 51.

The spelling of 52780050552750 in words is "fifty-two trillion, seven hundred eighty billion, fifty million, five hundred fifty-two thousand, seven hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 125 150 250 375 750 70373400737 140746801474 211120202211 351867003685 422240404422 703734007370 1055601011055 1759335018425 2111202022110 3518670036850 5278005055275 8796675092125 10556010110550 17593350184250 26390025276375 52780050552750