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1770134013 = 3365560519
BaseRepresentation
bin110100110000010…
…0001100111111101
311120100211010101000
41221200201213331
512111123242023
6451352040513
761602614364
oct15140414775
94510733330
101770134013
1182921597a
12414993139
1322296409b
1412b1407db
15a5609243
hex698219fd

1770134013 has 8 divisors (see below), whose sum is σ = 2622420800. Its totient is φ = 1180089324.

The previous prime is 1770133999. The next prime is 1770134021. The reversal of 1770134013 is 3104310771.

It is not a de Polignac number, because 1770134013 - 221 = 1768036861 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 65560519 = 1770134013 / (1 + 7 + 7 + 0 + 1 + 3 + 4 + 0 + 1 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1770134033) 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, 32780233 + ... + 32780286.

It is an arithmetic number, because the mean of its divisors is an integer number (327802600).

Almost surely, 21770134013 is an apocalyptic number.

It is an amenable number.

1770134013 is a deficient number, since it is larger than the sum of its proper divisors (852286787).

1770134013 is an equidigital number, since it uses as much as digits as its factorization.

1770134013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65560528 (or 65560522 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 27.

The square root of 1770134013 is about 42072.9605922854. The cubic root of 1770134013 is about 1209.6750289561.

Adding to 1770134013 its reverse (3104310771), we get a palindrome (4874444784).

The spelling of 1770134013 in words is "one billion, seven hundred seventy million, one hundred thirty-four thousand, thirteen".

Divisors: 1 3 9 27 65560519 196681557 590044671 1770134013