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50030002825 = 5211799723741
BaseRepresentation
bin101110100110000001…
…010100001010001001
311210010200021110202121
4232212001110022021
51304430140042300
634552232331241
73420535002355
oct564601241211
9153120243677
1050030002825
111a2436a5680
129842b43b21
13494404608a
1425c8700465
15147c31e81a
hexba6054289

50030002825 has 48 divisors (see below), whose sum is σ = 69243068160. Its totient is φ = 35553024000.

The previous prime is 50030002823. The next prime is 50030002853. The reversal of 50030002825 is 52820003005.

It is not a de Polignac number, because 50030002825 - 21 = 50030002823 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 50030002825.

It is not an unprimeable number, because it can be changed into a prime (50030002823) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2095455 + ... + 2119195.

It is an arithmetic number, because the mean of its divisors is an integer number (1442563920).

Almost surely, 250030002825 is an apocalyptic number.

50030002825 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

50030002825 is a deficient number, since it is larger than the sum of its proper divisors (19213065335).

50030002825 is a wasteful number, since it uses less digits than its factorization.

50030002825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23938 (or 23933 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The spelling of 50030002825 in words is "fifty billion, thirty million, two thousand, eight hundred twenty-five".

Divisors: 1 5 11 25 55 79 97 275 395 485 869 1067 1975 2425 4345 5335 7663 21725 23741 26675 38315 84293 118705 191575 261151 421465 593525 1305755 1875539 2107325 2302877 6528775 9377695 11514385 20630929 25331647 46888475 57571925 103154645 126658235 181927283 515773225 633291175 909636415 2001200113 4548182075 10006000565 50030002825