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55142254530 = 23251155699247
BaseRepresentation
bin110011010110101111…
…000000011111000010
312021022221212202201100
4303112233000133002
51400412404121110
641155413515230
73661322300316
oct632657003702
9167287782640
1055142254530
1121427401a90
12a82b042b16
13527a217b9c
142951661b46
15167b04abc0
hexcd6bc07c2

55142254530 has 48 divisors (see below), whose sum is σ = 156403488384. Its totient is φ = 13367819040.

The previous prime is 55142254523. The next prime is 55142254549. The reversal of 55142254530 is 3545224155.

55142254530 is a `hidden beast` number, since 5 + 51 + 4 + 22 + 54 + 530 = 666.

55142254530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27848634 + ... + 27850613.

It is an arithmetic number, because the mean of its divisors is an integer number (3258406008).

Almost surely, 255142254530 is an apocalyptic number.

55142254530 is an abundant number, since it is smaller than the sum of its proper divisors (101261233854).

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

55142254530 is a wasteful number, since it uses less digits than its factorization.

55142254530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55699271 (or 55699268 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 36.

Adding to 55142254530 its reverse (3545224155), we get a palindrome (58687478685).

The spelling of 55142254530 in words is "fifty-five billion, one hundred forty-two million, two hundred fifty-four thousand, five hundred thirty".

Divisors: 1 2 3 5 6 9 10 11 15 18 22 30 33 45 55 66 90 99 110 165 198 330 495 990 55699247 111398494 167097741 278496235 334195482 501293223 556992470 612691717 835488705 1002586446 1225383434 1670977410 1838075151 2506466115 3063458585 3676150302 5012932230 5514225453 6126917170 9190375755 11028450906 18380751510 27571127265 55142254530