Search a number
-
+
670706670212 = 221049159844297
BaseRepresentation
bin10011100001010010011…
…10111001101010000100
32101010012200221001122122
421300221032321222010
541442101401421322
61232041323345112
766312510426455
oct11605116715204
92333180831578
10670706670212
11239499480437
12a9ba2382198
134b32a60b2c7
1424668a8d12c
15126a751c442
hex9c293b9a84

670706670212 has 12 divisors (see below), whose sum is σ = 1174855590300. Its totient is φ = 335033644416.

The previous prime is 670706670203. The next prime is 670706670217. The reversal of 670706670212 is 212076607076.

It can be written as a sum of positive squares in 2 ways, for example, as 517343578756 + 153363091456 = 719266^2 + 391616^2 .

It is not an unprimeable number, because it can be changed into a prime (670706670217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79917953 + ... + 79926344.

It is an arithmetic number, because the mean of its divisors is an integer number (97904632525).

Almost surely, 2670706670212 is an apocalyptic number.

It is an amenable number.

670706670212 is a deficient number, since it is larger than the sum of its proper divisors (504148920088).

670706670212 is a wasteful number, since it uses less digits than its factorization.

670706670212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159845350 (or 159845348 counting only the distinct ones).

The product of its (nonzero) digits is 296352, while the sum is 44.

The spelling of 670706670212 in words is "six hundred seventy billion, seven hundred six million, six hundred seventy thousand, two hundred twelve".

Divisors: 1 2 4 1049 2098 4196 159844297 319688594 639377188 167676667553 335353335106 670706670212