Search a number
-
+
670673704012 = 221343299943517
BaseRepresentation
bin10011100001001110100…
…01001001010001001100
32101010010101220012112021
421300213101021101030
541442014432012022
61232034145015524
766311630265214
oct11604721112114
92333111805467
10670673704012
11239481904444
12a9b933245a4
134b323838190
142466454b244
15126a46a97c7
hex9c2744944c

670673704012 has 24 divisors (see below), whose sum is σ = 1293356449616. Its totient is φ = 302343064128.

The previous prime is 670673704007. The next prime is 670673704013. The reversal of 670673704012 is 210407376076.

It is a super-2 number, since 2×6706737040122 (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a self number, because there is not a number n which added to its sum of digits gives 670673704012.

It is not an unprimeable number, because it can be changed into a prime (670673704013) 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, 149969523 + ... + 149973994.

Almost surely, 2670673704012 is an apocalyptic number.

It is an amenable number.

670673704012 is a deficient number, since it is larger than the sum of its proper divisors (622682745604).

670673704012 is a wasteful number, since it uses less digits than its factorization.

670673704012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299943577 (or 299943575 counting only the distinct ones).

The product of its (nonzero) digits is 296352, while the sum is 43.

The spelling of 670673704012 in words is "six hundred seventy billion, six hundred seventy-three million, seven hundred four thousand, twelve".

Divisors: 1 2 4 13 26 43 52 86 172 559 1118 2236 299943517 599887034 1199774068 3899265721 7798531442 12897571231 15597062884 25795142462 51590284924 167668426003 335336852006 670673704012