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30272622272544 = 253437279721141
BaseRepresentation
bin1101110001000011001001…
…11001011010000000100000
310222012000221002121010112110
412320201210321122000200
512431441312300210134
6144215014540355320
76243060541436301
oct670414471320040
9128160832533473
1030272622272544
119711602081513
12348b053b45b40
1313b7908246612
147692ba4427a8
153776d8b8d7e9
hex1b8864e5a020

30272622272544 has 48 divisors (see below), whose sum is σ = 79465925387520. Its totient is φ = 10090837021440.

The previous prime is 30272622272449. The next prime is 30272622272549. The reversal of 30272622272544 is 44527222627203.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×302726222725442 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 30272622272493 and 30272622272502.

It is not an unprimeable number, because it can be changed into a prime (30272622272549) 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, 41618214 + ... + 42339354.

It is an arithmetic number, because the mean of its divisors is an integer number (1655540112240).

Almost surely, 230272622272544 is an apocalyptic number.

It is an amenable number.

30272622272544 is an abundant number, since it is smaller than the sum of its proper divisors (49193303114976).

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

30272622272544 is a wasteful number, since it uses less digits than its factorization.

30272622272544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1158433 (or 1158425 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 48.

Adding to 30272622272544 its reverse (44527222627203), we get a palindrome (74799844899747).

The spelling of 30272622272544 in words is "thirty trillion, two hundred seventy-two billion, six hundred twenty-two million, two hundred seventy-two thousand, five hundred forty-four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 437279 721141 874558 1311837 1442282 1749116 2163423 2623674 2884564 3498232 4326846 5247348 5769128 6996464 8653692 10494696 11538256 13992928 17307384 20989392 23076512 34614768 41978784 69229536 315339815339 630679630678 946019446017 1261359261356 1892038892034 2522718522712 3784077784068 5045437045424 7568155568136 10090874090848 15136311136272 30272622272544