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125726971552 = 25713157275003
BaseRepresentation
bin111010100010111101…
…0010101011010100000
3110000112010110220112221
41311011322111122200
54024442101042202
6133431433200424
712040426424320
oct1650572253240
9400463426487
10125726971552
1149358663666
1220449860114
13bb18839a30
146129ba3280
15340cb5b037
hex1d45e956a0

125726971552 has 96 divisors (see below), whose sum is σ = 306587659392. Its totient is φ = 49421159424.

The previous prime is 125726971547. The next prime is 125726971561. The reversal of 125726971552 is 255179627521.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a self number, because there is not a number n which added to its sum of digits gives 125726971552.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 319683 + ... + 594685.

It is an arithmetic number, because the mean of its divisors is an integer number (3193621452).

Almost surely, 2125726971552 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 125726971552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153293829696).

125726971552 is an abundant number, since it is smaller than the sum of its proper divisors (180860687840).

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

125726971552 is a wasteful number, since it uses less digits than its factorization.

125726971552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275190 (or 275182 counting only the distinct ones).

The product of its digits is 2646000, while the sum is 52.

The spelling of 125726971552 in words is "one hundred twenty-five billion, seven hundred twenty-six million, nine hundred seventy-one thousand, five hundred fifty-two".

Divisors: 1 2 4 7 8 13 14 16 26 28 32 52 56 91 104 112 157 182 208 224 314 364 416 628 728 1099 1256 1456 2041 2198 2512 2912 4082 4396 5024 8164 8792 14287 16328 17584 28574 32656 35168 57148 65312 114296 228592 275003 457184 550006 1100012 1925021 2200024 3575039 3850042 4400048 7150078 7700084 8800096 14300156 15400168 25025273 28600312 30800336 43175471 50050546 57200624 61600672 86350942 100101092 114401248 172701884 200202184 302228297 345403768 400404368 561281123 604456594 690807536 800808736 1122562246 1208913188 1381615072 2245124492 2417826376 3928967861 4490248984 4835652752 7857935722 8980497968 9671305504 15715871444 17960995936 31431742888 62863485776 125726971552