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1302130031232 = 27323147433201
BaseRepresentation
bin10010111100101100111…
…111110111101010000000
311121111000200101020202210
4102330230333313222000
5132313230241444412
62434105033342120
7163034665434102
oct22745477675200
94544020336683
101302130031232
11462259502188
12190440867940
1395a3749b554
1447048411572
1523d10e2083c
hex12f2cff7a80

1302130031232 has 64 divisors (see below), whose sum is σ = 3609164784960. Its totient is φ = 415171891200.

The previous prime is 1302130031171. The next prime is 1302130031233. The reversal of 1302130031232 is 2321300312031.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 1302130031199 and 1302130031208.

It is not an unprimeable number, because it can be changed into a prime (1302130031233) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 73707769 + ... + 73725432.

It is an arithmetic number, because the mean of its divisors is an integer number (56393199765).

Almost surely, 21302130031232 is an apocalyptic number.

1302130031232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1302130031232 is an abundant number, since it is smaller than the sum of its proper divisors (2307034753728).

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

1302130031232 is a wasteful number, since it uses less digits than its factorization.

1302130031232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147433241 (or 147433229 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 1302130031232 its reverse (2321300312031), we get a palindrome (3623430343263).

The spelling of 1302130031232 in words is "one trillion, three hundred two billion, one hundred thirty million, thirty-one thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 16 23 24 32 46 48 64 69 92 96 128 138 184 192 276 368 384 552 736 1104 1472 2208 2944 4416 8832 147433201 294866402 442299603 589732804 884599206 1179465608 1769198412 2358931216 3390963623 3538396824 4717862432 6781927246 7076793648 9435724864 10172890869 13563854492 14153587296 18871449728 20345781738 27127708984 28307174592 40691563476 54255417968 56614349184 81383126952 108510835936 162766253904 217021671872 325532507808 434043343744 651065015616 1302130031232