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32542451020 = 22519617313873
BaseRepresentation
bin11110010011101011…
…100110010101001100
310002222221100210111201
4132103223212111030
51013121331413040
622541053355244
72231301161332
oct362353462514
9102887323451
1032542451020
111288a402122
126382498b24
1330b80388a1
141809d89b52
15ca6e3ca9a
hex793ae654c

32542451020 has 48 divisors (see below), whose sum is σ = 71952783840. Its totient is φ = 12328989696.

The previous prime is 32542450987. The next prime is 32542451023. The reversal of 32542451020 is 2015424523.

It is a super-2 number, since 2×325424510202 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 32542451020.

It is not an unprimeable number, because it can be changed into a prime (32542451023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2338804 + ... + 2352676.

It is an arithmetic number, because the mean of its divisors is an integer number (1499016330).

Almost surely, 232542451020 is an apocalyptic number.

It is an amenable number.

32542451020 is an abundant number, since it is smaller than the sum of its proper divisors (39410332820).

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

32542451020 is a wasteful number, since it uses less digits than its factorization.

32542451020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20074 (or 20072 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

Adding to 32542451020 its reverse (2015424523), we get a palindrome (34557875543).

The spelling of 32542451020 in words is "thirty-two billion, five hundred forty-two million, four hundred fifty-one thousand, twenty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 6173 12346 13873 24692 27746 30865 55492 61730 69365 117287 123460 138730 234574 263587 277460 469148 527174 586435 1054348 1172870 1317935 2345740 2635870 5271740 85638029 171276058 342552116 428190145 856380290 1627122551 1712760580 3254245102 6508490204 8135612755 16271225510 32542451020