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30120037527 = 3192234361461
BaseRepresentation
bin11100000011010010…
…110100110010010111
32212202010011102220110
4130003102310302113
5443141212200102
621500440534103
72114255044326
oct340322646227
985663142813
1030120037527
1111856a80aa8
125a07181333
132ac0203118
14165a3740bd
15bb443a86c
hex7034b4c97

30120037527 has 96 divisors (see below), whose sum is σ = 46098049536. Its totient is φ = 17443641600.

The previous prime is 30120037477. The next prime is 30120037529. The reversal of 30120037527 is 72573002103.

It is not a de Polignac number, because 30120037527 - 210 = 30120036503 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30120037494 and 30120037503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30120037529) 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 95 ways as a sum of consecutive naturals, for example, 65336077 + ... + 65336537.

It is an arithmetic number, because the mean of its divisors is an integer number (480188016).

Almost surely, 230120037527 is an apocalyptic number.

30120037527 is a deficient number, since it is larger than the sum of its proper divisors (15978012009).

30120037527 is a wasteful number, since it uses less digits than its factorization.

30120037527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629 (or 610 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 30.

The spelling of 30120037527 in words is "thirty billion, one hundred twenty million, thirty-seven thousand, five hundred twenty-seven".

Divisors: 1 3 19 23 43 57 61 69 129 183 361 437 461 817 989 1083 1159 1311 1383 1403 2451 2623 2967 3477 4209 7869 8303 8759 10603 15523 18791 19823 22021 24909 26277 26657 28121 31809 46569 49837 56373 59469 60329 66063 79971 84363 149511 166421 180987 201457 357029 376637 455929 499263 506483 534299 604371 646783 946903 1071087 1129911 1146251 1209203 1367787 1519449 1602897 1940349 2840709 3438753 3627609 3827683 7156103 8662651 10151681 11483049 12288877 21468309 21778769 22974857 25987953 27811669 30455043 36866631 65336307 68924571 83435007 164590369 233488663 436522283 493771107 528421711 700465989 1309566849 1585265133 10040012509 30120037527