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54213543240 = 233510310934013
BaseRepresentation
bin110010011111011000…
…010000010101001000
312011221020100100022220
4302133120100111020
51342012131340430
640523320214040
73626314341243
oct623730202510
9164836310286
1054213543240
1120aa014a49a
12a61000a320
13515c9aac8c
1428a419025a
15162474c110
hexc9f610548

54213543240 has 128 divisors (see below), whose sum is σ = 164410871040. Its totient is φ = 14299923456.

The previous prime is 54213543229. The next prime is 54213543299. The reversal of 54213543240 is 4234531245.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13507474 + ... + 13511486.

It is an arithmetic number, because the mean of its divisors is an integer number (1284459930).

Almost surely, 254213543240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54213543240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82205435520).

54213543240 is an abundant number, since it is smaller than the sum of its proper divisors (110197327800).

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

54213543240 is a wasteful number, since it uses less digits than its factorization.

54213543240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5223 (or 5219 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 33.

The spelling of 54213543240 in words is "fifty-four billion, two hundred thirteen million, five hundred forty-three thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 103 120 206 309 412 515 618 824 1030 1093 1236 1545 2060 2186 2472 3090 3279 4013 4120 4372 5465 6180 6558 8026 8744 10930 12039 12360 13116 16052 16395 20065 21860 24078 26232 32104 32790 40130 43720 48156 60195 65580 80260 96312 112579 120390 131160 160520 225158 240780 337737 413339 450316 481560 562895 675474 826678 900632 1125790 1240017 1350948 1653356 1688685 2066695 2251580 2480034 2701896 3306712 3377370 4133390 4386209 4503160 4960068 6200085 6754740 8266780 8772418 9920136 12400170 13158627 13509480 16533560 17544836 21931045 24800340 26317254 35089672 43862090 49600680 52634508 65793135 87724180 105269016 131586270 175448360 263172540 451779527 526345080 903559054 1355338581 1807118108 2258897635 2710677162 3614236216 4517795270 5421354324 6776692905 9035590540 10842708648 13553385810 18071181080 27106771620 54213543240