Base | Representation |
---|---|
bin | 100111000111110110… |
… | …011101001100011111 |
3 | 11000102120210120110001 |
4 | 213013312131030133 |
5 | 1142012424201012 |
6 | 31144213355131 |
7 | 3014663052034 |
oct | 470766351437 |
9 | 130376716401 |
10 | 42007647007 |
11 | 168a7248a47 |
12 | 8184338aa7 |
13 | 3c65ca6481 |
14 | 206709738b |
15 | 115cdaa357 |
hex | 9c7d9d31f |
42007647007 has 8 divisors (see below), whose sum is σ = 43662787056. Its totient is φ = 40379864832.
The previous prime is 42007646963. The next prime is 42007647043. The reversal of 42007647007 is 70074670024.
It is a happy number.
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-42007647007 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (37).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42007647607) 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, 6836338 + ... + 6842479.
It is an arithmetic number, because the mean of its divisors is an integer number (5457848382).
Almost surely, 242007647007 is an apocalyptic number.
42007647007 is a deficient number, since it is larger than the sum of its proper divisors (1655140049).
42007647007 is a wasteful number, since it uses less digits than its factorization.
42007647007 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13678937.
The product of its (nonzero) digits is 65856, while the sum is 37.
The spelling of 42007647007 in words is "forty-two billion, seven million, six hundred forty-seven thousand, seven".
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