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32012012240 = 2451337831913
BaseRepresentation
bin11101110100000100…
…001000101011010000
310001121222020201021222
4131310010020223100
51011030033342430
622412304304212
72212200420515
oct356404105320
9101558221258
1032012012240
1112637a4566a
126254912068
133032186ba0
14179974d30c
15c755b09e5
hex774108ad0

32012012240 has 80 divisors (see below), whose sum is σ = 82319554128. Its totient is φ = 11500351488.

The previous prime is 32012012213. The next prime is 32012012257. The reversal of 32012012240 is 4221021023.

It can be written as a sum of positive squares in 8 ways, for example, as 3555021376 + 28456990864 = 59624^2 + 168692^2 .

It is a tau number, because it is divible by the number of its divisors (80).

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, 377477 + ... + 454436.

Almost surely, 232012012240 is an apocalyptic number.

It is an amenable number.

32012012240 is an abundant number, since it is smaller than the sum of its proper divisors (50307541888).

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

32012012240 is a wasteful number, since it uses less digits than its factorization.

32012012240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 831976 (or 831970 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 32012012240 its reverse (4221021023), we get a palindrome (36233033263).

The spelling of 32012012240 in words is "thirty-two billion, twelve million, twelve thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 13 16 20 26 37 40 52 65 74 80 104 130 148 185 208 260 296 370 481 520 592 740 962 1040 1480 1924 2405 2960 3848 4810 7696 9620 19240 38480 831913 1663826 3327652 4159565 6655304 8319130 10814869 13310608 16638260 21629738 30780781 33276520 43259476 54074345 61561562 66553040 86518952 108148690 123123124 153903905 173037904 216297380 246246248 307807810 400150153 432594760 492492496 615615620 800300306 865189520 1231231240 1600600612 2000750765 2462462480 3201201224 4001501530 6402402448 8003003060 16006006120 32012012240