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42072534858 = 2323247927673
BaseRepresentation
bin100111001011101101…
…111110111101001010
311000121002220012211210
4213023231332331022
51142131032103413
631154452233550
73016411434324
oct471355767512
9130532805753
1042072534858
111692a938172
1281a200b8b6
133c76575153
142071948614
1511639263c3
hex9cbb7ef4a

42072534858 has 48 divisors (see below), whose sum is σ = 88149438720. Its totient is φ = 13385942592.

The previous prime is 42072534811. The next prime is 42072534863. The reversal of 42072534858 is 85843527024.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1506510 + ... + 1534182.

It is an arithmetic number, because the mean of its divisors is an integer number (1836446640).

Almost surely, 242072534858 is an apocalyptic number.

42072534858 is an abundant number, since it is smaller than the sum of its proper divisors (46076903862).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42072534858 is a wasteful number, since it uses less digits than its factorization.

42072534858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28203 (or 28180 counting only the distinct ones).

The product of its (nonzero) digits is 2150400, while the sum is 48.

The spelling of 42072534858 in words is "forty-two billion, seventy-two million, five hundred thirty-four thousand, eight hundred fifty-eight".

Divisors: 1 2 3 6 23 46 69 138 479 529 958 1058 1437 1587 2874 3174 11017 22034 27673 33051 55346 66102 83019 166038 253391 506782 636479 760173 1272958 1520346 1909437 3818874 13255367 14639017 26510734 29278034 39766101 43917051 79532202 87834102 304873441 609746882 914620323 1829240646 7012089143 14024178286 21036267429 42072534858