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32550021040 = 2451723933839
BaseRepresentation
bin11110010100001000…
…011110011110110000
310010000110121101121211
4132110020132132300
51013130301133130
622541523525504
72231422420345
oct362410363660
9103013541554
1032550021040
1112893702639
126384b29894
1330b97893a4
14180ad9a7cc
15ca7935a2a
hex79421e7b0

32550021040 has 40 divisors (see below), whose sum is σ = 80130496320. Its totient is φ = 12254125056.

The previous prime is 32550021037. The next prime is 32550021043. The reversal of 32550021040 is 4012005523.

It is an interprime number because it is at equal distance from previous prime (32550021037) and next prime (32550021043).

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (32550021043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11965560 + ... + 11968279.

It is an arithmetic number, because the mean of its divisors is an integer number (2003262408).

Almost surely, 232550021040 is an apocalyptic number.

It is an amenable number.

32550021040 is an abundant number, since it is smaller than the sum of its proper divisors (47580475280).

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

32550021040 is a wasteful number, since it uses less digits than its factorization.

32550021040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23933869 (or 23933863 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

Adding to 32550021040 its reverse (4012005523), we get a palindrome (36562026563).

The spelling of 32550021040 in words is "thirty-two billion, five hundred fifty million, twenty-one thousand, forty".

Divisors: 1 2 4 5 8 10 16 17 20 34 40 68 80 85 136 170 272 340 680 1360 23933839 47867678 95735356 119669195 191470712 239338390 382941424 406875263 478676780 813750526 957353560 1627501052 1914707120 2034376315 3255002104 4068752630 6510004208 8137505260 16275010520 32550021040