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50010001000 = 235350010001
BaseRepresentation
bin101110100100110101…
…000000111001101000
311210002021122021102021
4232210311000321220
51304410030013000
634550235514224
73420202665121
oct564465007150
9153067567367
1050010001000
111a233383a43
1298382b8974
13493cb61b8b
1425c5bb5048
15147a6bd11a
hexba4d40e68

50010001000 has 32 divisors (see below), whose sum is σ = 117023404680. Its totient is φ = 20004000000.

The previous prime is 50010000983. The next prime is 50010001003. The reversal of 50010001000 is 10001005.

It can be written as a sum of positive squares in 4 ways, for example, as 1602080676 + 48407920324 = 40026^2 + 220018^2 .

It is not an unprimeable number, because it can be changed into a prime (50010001003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25004001 + ... + 25006000.

Almost surely, 250010001000 is an apocalyptic number.

50010001000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

50010001000 is an abundant number, since it is smaller than the sum of its proper divisors (67013403680).

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

50010001000 is a wasteful number, since it uses less digits than its factorization.

50010001000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50010022 (or 50010008 counting only the distinct ones).

The product of its (nonzero) digits is 5, while the sum is 7.

Adding to 50010001000 its reverse (10001005), we get a palindrome (50020002005).

The spelling of 50010001000 in words is "fifty billion, ten million, one thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 200 250 500 1000 50010001 100020002 200040004 250050005 400080008 500100010 1000200020 1250250025 2000400040 2500500050 5001000100 6251250125 10002000200 12502500250 25005000500 50010001000