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42007647007 = 378313678817
BaseRepresentation
bin100111000111110110…
…011101001100011111
311000102120210120110001
4213013312131030133
51142012424201012
631144213355131
73014663052034
oct470766351437
9130376716401
1042007647007
11168a7248a47
128184338aa7
133c65ca6481
14206709738b
15115cdaa357
hex9c7d9d31f

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".

Divisors: 1 37 83 3071 13678817 506116229 1135341811 42007647007