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670740037037 = 7727131801933
BaseRepresentation
bin10011100001010110011…
…10001011110110101101
32101010022000201021022222
421300223032023312231
541442133422141122
61232044514445125
766313364150030
oct11605316136655
92333260637288
10670740037037
112395062a0424
12a9bb15937a5
134b3344c18a5
142466d297017
15126aa40db42
hex9c2b38bdad

670740037037 has 8 divisors (see below), whose sum is σ = 767614463616. Its totient is φ = 574129215792.

The previous prime is 670740037031. The next prime is 670740037073. The reversal of 670740037037 is 730730047076.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-670740037037 is a prime.

It is a super-2 number, since 2×6707400370372 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670740037031) 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, 65895878 + ... + 65906055.

It is an arithmetic number, because the mean of its divisors is an integer number (95951807952).

Almost surely, 2670740037037 is an apocalyptic number.

It is an amenable number.

670740037037 is a deficient number, since it is larger than the sum of its proper divisors (96874426579).

670740037037 is a wasteful number, since it uses less digits than its factorization.

670740037037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131802667.

The product of its (nonzero) digits is 518616, while the sum is 44.

The spelling of 670740037037 in words is "six hundred seventy billion, seven hundred forty million, thirty-seven thousand, thirty-seven".

Divisors: 1 7 727 5089 131801933 922613531 95820005291 670740037037