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210020201000 = 2353712958031
BaseRepresentation
bin1100001110011000101…
…1011111001000101000
3202002002200001122011222
43003212023133020220
511420110132413000
6240252033441212
721113332153001
oct3034613371050
9662080048158
10210020201000
1181083a23555
1234853410208
1316a602603ac
14a244bc21a8
1556e2ec2a85
hex30e62df228

210020201000 has 64 divisors (see below), whose sum is σ = 498369231360. Its totient is φ = 82824840000.

The previous prime is 210020200997. The next prime is 210020201009. The reversal of 210020201000 is 102020012.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is not an unprimeable number, because it can be changed into a prime (210020201009) 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, 1408016 + ... + 1550015.

It is an arithmetic number, because the mean of its divisors is an integer number (7787019240).

Almost surely, 2210020201000 is an apocalyptic number.

210020201000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210020201000 is an abundant number, since it is smaller than the sum of its proper divisors (288349030360).

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

210020201000 is a wasteful number, since it uses less digits than its factorization.

210020201000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2958123 (or 2958109 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

Adding to 210020201000 its reverse (102020012), we get a palindrome (210122221012).

The spelling of 210020201000 in words is "two hundred ten billion, twenty million, two hundred one thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 71 100 125 142 200 250 284 355 500 568 710 1000 1420 1775 2840 3550 7100 8875 14200 17750 35500 71000 2958031 5916062 11832124 14790155 23664248 29580310 59160620 73950775 118321240 147901550 210020201 295803100 369753875 420040402 591606200 739507750 840080804 1050101005 1479015500 1680161608 2100202010 2958031000 4200404020 5250505025 8400808040 10501010050 21002020100 26252525125 42004040200 52505050250 105010100500 210020201000