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50005050500 = 2253891123709
BaseRepresentation
bin101110100100100010…
…001000010010000100
311210001221022202121102
4232210202020102010
51304402243104000
634545541435232
73420112626146
oct564442102204
9153057282542
1050005050500
111a230602619
12983670bb18
13493bb1a7a2
1425c5286c96
15147a0413d5
hexba4888484

50005050500 has 48 divisors (see below), whose sum is σ = 110438218800. Its totient is φ = 19777260800.

The previous prime is 50005050463. The next prime is 50005050509. The reversal of 50005050500 is 505050005.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 13548494404 + 36456556096 = 116398^2 + 190936^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (50005050509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 517355 + ... + 606354.

It is an arithmetic number, because the mean of its divisors is an integer number (2300796225).

Almost surely, 250005050500 is an apocalyptic number.

50005050500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

50005050500 is an abundant number, since it is smaller than the sum of its proper divisors (60433168300).

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

50005050500 is a wasteful number, since it uses less digits than its factorization.

50005050500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1123817 (or 1123805 counting only the distinct ones).

The product of its (nonzero) digits is 625, while the sum is 20.

The spelling of 50005050500 in words is "fifty billion, five million, fifty thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 50 89 100 125 178 250 356 445 500 890 1780 2225 4450 8900 11125 22250 44500 1123709 2247418 4494836 5618545 11237090 22474180 28092725 56185450 100010101 112370900 140463625 200020202 280927250 400040404 500050505 561854500 1000101010 2000202020 2500252525 5000505050 10001010100 12501262625 25002525250 50005050500