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2133254860 = 2251117570389
BaseRepresentation
bin111111100100110…
…1110001011001100
312111200002120112021
41333021232023030
513332103123420
6551403015524
7103602236632
oct17711561314
95450076467
102133254860
119a5191a50
124b650a5a4
1327cc624a9
14163465352
15c74357aa
hex7f26e2cc

2133254860 has 48 divisors (see below), whose sum is σ = 5174578080. Its totient is φ = 730096640.

The previous prime is 2133254813. The next prime is 2133254861. The reversal of 2133254860 is 684523312.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (2133254861) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 281455 + ... + 288934.

It is an arithmetic number, because the mean of its divisors is an integer number (107803710).

Almost surely, 22133254860 is an apocalyptic number.

2133254860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2133254860 is an abundant number, since it is smaller than the sum of its proper divisors (3041323220).

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

2133254860 is a wasteful number, since it uses less digits than its factorization.

2133254860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570426 (or 570424 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 2133254860 is about 46187.1720286055. The cubic root of 2133254860 is about 1287.3033948701.

The spelling of 2133254860 in words is "two billion, one hundred thirty-three million, two hundred fifty-four thousand, eight hundred sixty".

Divisors: 1 2 4 5 10 11 17 20 22 34 44 55 68 85 110 170 187 220 340 374 748 935 1870 3740 570389 1140778 2281556 2851945 5703890 6274279 9696613 11407780 12548558 19393226 25097116 31371395 38786452 48483065 62742790 96966130 106662743 125485580 193932260 213325486 426650972 533313715 1066627430 2133254860