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42572712894 = 2337474080191
BaseRepresentation
bin100111101001100010…
…000000101110111110
311001212222001220010020
4213221202000232332
51144142103303034
631320240553010
73034664042325
oct475142005676
9131788056106
1042572712894
1117067206348
128301622766
13402609029a
1420bc1490bc
1511927c7249
hex9e9880bbe

42572712894 has 32 divisors (see below), whose sum is σ = 89307242496. Its totient is φ = 13513589280.

The previous prime is 42572712883. The next prime is 42572712899. The reversal of 42572712894 is 49821727524.

It is a happy number.

42572712894 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42572712899) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2029662 + ... + 2050529.

It is an arithmetic number, because the mean of its divisors is an integer number (2790851328).

Almost surely, 242572712894 is an apocalyptic number.

42572712894 is an abundant number, since it is smaller than the sum of its proper divisors (46734529602).

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

42572712894 is a wasteful number, since it uses less digits than its factorization.

42572712894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4080280.

The product of its digits is 2257920, while the sum is 51.

The spelling of 42572712894 in words is "forty-two billion, five hundred seventy-two million, seven hundred twelve thousand, eight hundred ninety-four".

Divisors: 1 2 3 6 37 47 74 94 111 141 222 282 1739 3478 5217 10434 4080191 8160382 12240573 24481146 150967067 191768977 301934134 383537954 452901201 575306931 905802402 1150613862 7095452149 14190904298 21286356447 42572712894