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38505000500 = 2253671149403
BaseRepresentation
bin100011110111000100…
…111010111000110100
310200101110221200201122
4203313010322320310
51112324240004000
625404451443112
72532122050451
oct436704727064
9120343850648
1038505000500
111536a08386a
1275672b6498
133828421385
141c13c0a828
151005629085
hex8f713ae34

38505000500 has 48 divisors (see below), whose sum is σ = 85350143424. Its totient is φ = 15172106400.

The previous prime is 38505000497. The next prime is 38505000509. The reversal of 38505000500 is 500050583.

It is a self number, because there is not a number n which added to its sum of digits gives 38505000500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38505000509) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 541202 + ... + 608201.

It is an arithmetic number, because the mean of its divisors is an integer number (1778127988).

Almost surely, 238505000500 is an apocalyptic number.

It is an amenable number.

38505000500 is an abundant number, since it is smaller than the sum of its proper divisors (46845142924).

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

38505000500 is a wasteful number, since it uses less digits than its factorization.

38505000500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1149489 (or 1149477 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

The spelling of 38505000500 in words is "thirty-eight billion, five hundred five million, five hundred", and thus it is an aban number.

Divisors: 1 2 4 5 10 20 25 50 67 100 125 134 250 268 335 500 670 1340 1675 3350 6700 8375 16750 33500 1149403 2298806 4597612 5747015 11494030 22988060 28735075 57470150 77010001 114940300 143675375 154020002 287350750 308040004 385050005 574701500 770100010 1540200020 1925250025 3850500050 7701000100 9626250125 19252500250 38505000500