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32401244020 = 22523312272177
BaseRepresentation
bin11110001011010000…
…111011111101110100
310002122002122201220211
4132023100323331310
51012324204302040
622515051035204
72224635013165
oct361320737564
9102562581824
1032401244020
1112817726222
12634313bb04
1330949c8052
1417d530d76c
15c998488ea
hex78b43bf74

32401244020 has 48 divisors (see below), whose sum is σ = 73291373568. Its totient is φ = 11997089280.

The previous prime is 32401244017. The next prime is 32401244041. The reversal of 32401244020 is 2044210423.

It is a happy number.

It is a super-2 number, since 2×324012440202 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 32401243982 and 32401244000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1121829 + ... + 1150348.

It is an arithmetic number, because the mean of its divisors is an integer number (1526903616).

Almost surely, 232401244020 is an apocalyptic number.

It is an amenable number.

32401244020 is an abundant number, since it is smaller than the sum of its proper divisors (40890129548).

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

32401244020 is a wasteful number, since it uses less digits than its factorization.

32401244020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2272240 (or 2272238 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 32401244020 its reverse (2044210423), we get a palindrome (34445454443).

The spelling of 32401244020 in words is "thirty-two billion, four hundred one million, two hundred forty-four thousand, twenty".

Divisors: 1 2 4 5 10 20 23 31 46 62 92 115 124 155 230 310 460 620 713 1426 2852 3565 7130 14260 2272177 4544354 9088708 11360885 22721770 45443540 52260071 70437487 104520142 140874974 209040284 261300355 281749948 352187435 522600710 704374870 1045201420 1408749740 1620062201 3240124402 6480248804 8100311005 16200622010 32401244020