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12571714540 = 22571117480203
BaseRepresentation
bin10111011010101010…
…10010001111101100
31012110010220021021001
423231111102033230
5201221324331130
65435251250044
7623352544660
oct135525221754
935403807231
1012571714540
115371450230
12252a2a9924
131254738958
148739208a0
154d8a526ca
hex2ed5523ec

12571714540 has 96 divisors (see below), whose sum is σ = 34851285504. Its totient is φ = 3687951360.

The previous prime is 12571714537. The next prime is 12571714559. The reversal of 12571714540 is 4541717521.

It is a self number, because there is not a number n which added to its sum of digits gives 12571714540.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 213922 + ... + 266281.

It is an arithmetic number, because the mean of its divisors is an integer number (363034224).

Almost surely, 212571714540 is an apocalyptic number.

12571714540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12571714540 is an abundant number, since it is smaller than the sum of its proper divisors (22279570964).

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

12571714540 is a wasteful number, since it uses less digits than its factorization.

12571714540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480247 (or 480245 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 37.

The spelling of 12571714540 in words is "twelve billion, five hundred seventy-one million, seven hundred fourteen thousand, five hundred forty".

Divisors: 1 2 4 5 7 10 11 14 17 20 22 28 34 35 44 55 68 70 77 85 110 119 140 154 170 187 220 238 308 340 374 385 476 595 748 770 935 1190 1309 1540 1870 2380 2618 3740 5236 6545 13090 26180 480203 960406 1920812 2401015 3361421 4802030 5282233 6722842 8163451 9604060 10564466 13445684 16326902 16807105 21128932 26411165 32653804 33614210 36975631 40817255 52822330 57144157 67228420 73951262 81634510 89797961 105644660 114288314 147902524 163269020 179595922 184878155 228576628 285720785 359191844 369756310 448989805 571441570 628585727 739512620 897979610 1142883140 1257171454 1795959220 2514342908 3142928635 6285857270 12571714540