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1850015485 = 510128113037
BaseRepresentation
bin110111001000100…
…1111111011111101
311202221010112011001
41232101033323331
512242100443420
6503324130301
763562605103
oct15621177375
94687115131
101850015485
1186a31601a
12437696991
13236382526
141379b5c73
15ac637b0a
hex6e44fefd

1850015485 has 16 divisors (see below), whose sum is σ = 2250150192. Its totient is φ = 1460032000.

The previous prime is 1850015459. The next prime is 1850015491. The reversal of 1850015485 is 5845100581.

It can be written as a sum of positive squares in 8 ways, for example, as 283518244 + 1566497241 = 16838^2 + 39579^2 .

It is not a de Polignac number, because 1850015485 - 29 = 1850014973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135387 + ... + 148423.

It is an arithmetic number, because the mean of its divisors is an integer number (140634387).

Almost surely, 21850015485 is an apocalyptic number.

It is an amenable number.

1850015485 is a deficient number, since it is larger than the sum of its proper divisors (400134707).

1850015485 is a wasteful number, since it uses less digits than its factorization.

1850015485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13424.

The product of its (nonzero) digits is 32000, while the sum is 37.

The square root of 1850015485 is about 43011.8063443050. The cubic root of 1850015485 is about 1227.6044513000.

The spelling of 1850015485 in words is "one billion, eight hundred fifty million, fifteen thousand, four hundred eighty-five".

Divisors: 1 5 101 281 505 1405 13037 28381 65185 141905 1316737 3663397 6583685 18316985 370003097 1850015485