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670137143780 = 225132577450553
BaseRepresentation
bin10011100000001110100…
…10010101000111100100
32101001202000021010021002
421300013102111013210
541434420102100110
61231505020412432
766262423510526
oct11600722250744
92331660233232
10670137143780
11239226a46835
12a9a636a7118
134b269622110
1424613199a16
151267251daa5
hex9c074951e4

670137143780 has 24 divisors (see below), whose sum is σ = 1515540925752. Its totient is φ = 247435252992.

The previous prime is 670137143771. The next prime is 670137143821. The reversal of 670137143780 is 87341731076.

It can be written as a sum of positive squares in 4 ways, for example, as 2121892096 + 668015251684 = 46064^2 + 817322^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1288725017 + ... + 1288725536.

It is an arithmetic number, because the mean of its divisors is an integer number (63147538573).

Almost surely, 2670137143780 is an apocalyptic number.

It is an amenable number.

670137143780 is an abundant number, since it is smaller than the sum of its proper divisors (845403781972).

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

670137143780 is a wasteful number, since it uses less digits than its factorization.

670137143780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2577450575 (or 2577450573 counting only the distinct ones).

The product of its (nonzero) digits is 592704, while the sum is 47.

The spelling of 670137143780 in words is "six hundred seventy billion, one hundred thirty-seven million, one hundred forty-three thousand, seven hundred eighty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 2577450553 5154901106 10309802212 12887252765 25774505530 33506857189 51549011060 67013714378 134027428756 167534285945 335068571890 670137143780