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438011001071 = 7308532028101
BaseRepresentation
bin1100101111110110111…
…11010111100011101111
31112212120201222021220022
412113323133113203233
524134021304013241
6533115223512355
743434215036060
oct6277337274357
91485521867808
10438011001071
11159839878076
1270a80bb86bb
13323c55c8957
14172b253a567
15b5d899254b
hex65fb7d78ef

438011001071 has 8 divisors (see below), whose sum is σ = 500600472864. Its totient is φ = 375425647200.

The previous prime is 438011001049. The next prime is 438011001079. The reversal of 438011001071 is 170100110834.

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

It is a cyclic number.

It is not a de Polignac number, because 438011001071 - 210 = 438011000047 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 438011001071.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (438011001079) 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, 798080 + ... + 1230021.

It is an arithmetic number, because the mean of its divisors is an integer number (62575059108).

Almost surely, 2438011001071 is an apocalyptic number.

438011001071 is a deficient number, since it is larger than the sum of its proper divisors (62589471793).

438011001071 is a wasteful number, since it uses less digits than its factorization.

438011001071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2058961.

The product of its (nonzero) digits is 672, while the sum is 26.

The spelling of 438011001071 in words is "four hundred thirty-eight billion, eleven million, one thousand, seventy-one".

Divisors: 1 7 30853 215971 2028101 14196707 62573000153 438011001071