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505050050050 = 252713199557789
BaseRepresentation
bin1110101100101110101…
…01000010111000000010
31210021121210202211120021
413112113111002320002
531233320303100200
61024003343204054
751326416410340
oct7262725027002
91707553684507
10505050050050
1118521064a887
1281a702a662a
133881a481780
141a631bd2990
15d20e17441a
hex7597542e02

505050050050 has 96 divisors (see below), whose sum is σ = 1161988128000. Its totient is φ = 159036514560.

The previous prime is 505050050033. The next prime is 505050050051. The reversal of 505050050050 is 50050050505.

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

It is a junction number, because it is equal to n+sod(n) for n = 505050049997 and 505050050024.

It is not an unprimeable number, because it can be changed into a prime (505050050051) 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, 626556 + ... + 1184344.

It is an arithmetic number, because the mean of its divisors is an integer number (12104043000).

Almost surely, 2505050050050 is an apocalyptic number.

505050050050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

505050050050 is an abundant number, since it is smaller than the sum of its proper divisors (656938077950).

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

505050050050 is a wasteful number, since it uses less digits than its factorization.

505050050050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558020 (or 558015 counting only the distinct ones).

The product of its (nonzero) digits is 3125, while the sum is 25.

The spelling of 505050050050 in words is "five hundred five billion, fifty million, fifty thousand, fifty".

Divisors: 1 2 5 7 10 13 14 25 26 35 50 65 70 91 130 175 182 199 325 350 398 455 650 910 995 1393 1990 2275 2587 2786 4550 4975 5174 6965 9950 12935 13930 18109 25870 34825 36218 64675 69650 90545 129350 181090 452725 557789 905450 1115578 2788945 3904523 5577890 7251257 7809046 13944725 14502514 19522615 27889450 36256285 39045230 50758799 72512570 97613075 101517598 111000011 181281425 195226150 222000022 253793995 362562850 507587990 555000055 777000077 1110000110 1268969975 1443000143 1554000154 2537939950 2775000275 2886000286 3885000385 5550000550 7215000715 7770000770 10101001001 14430001430 19425001925 20202002002 36075003575 38850003850 50505005005 72150007150 101010010010 252525025025 505050050050