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1320466640232 = 233311997388861
BaseRepresentation
bin10011001101110001111…
…100011110110101101000
311200020100120221111112110
4103031301330132311220
5133113303424441412
62450340342442320
7164254252151415
oct23156174366550
94606316844473
101320466640232
1146a008aa29a3
12193ab97333a0
139769a376b4c
1447ca782110c
1524535b19d3c
hex13371f1ed68

1320466640232 has 64 divisors (see below), whose sum is σ = 3407864808960. Its totient is φ = 425930860800.

The previous prime is 1320466640221. The next prime is 1320466640287. The reversal of 1320466640232 is 2320466640231.

It is a super-2 number, since 2×13204666402322 (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14815482 + ... + 14904342.

It is an arithmetic number, because the mean of its divisors is an integer number (53247887640).

Almost surely, 21320466640232 is an apocalyptic number.

1320466640232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1320466640232 is an abundant number, since it is smaller than the sum of its proper divisors (2087398168728).

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

1320466640232 is a wasteful number, since it uses less digits than its factorization.

1320466640232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108874 (or 108870 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 39.

Subtracting 1320466640232 from its reverse (2320466640231), we obtain a palindrome (999999999999).

The spelling of 1320466640232 in words is "one trillion, three hundred twenty billion, four hundred sixty-six million, six hundred forty thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 24 31 62 93 124 186 248 372 744 19973 39946 59919 79892 88861 119838 159784 177722 239676 266583 355444 479352 533166 619163 710888 1066332 1238326 1857489 2132664 2476652 2754691 3714978 4953304 5509382 7429956 8264073 11018764 14859912 16528146 22037528 33056292 66112584 1774820753 3549641506 5324462259 7099283012 10648924518 14198566024 21297849036 42595698072 55019443343 110038886686 165058330029 220077773372 330116660058 440155546744 660233320116 1320466640232