Search a number
-
+
2257525074120 = 233535999152879
BaseRepresentation
bin100000110110011110111…
…110101110100011001000
321222211001210201002011020
4200312132332232203020
5243441402404332440
64445032005032440
7322046401342311
oct40663676564310
97884053632136
102257525074120
117a0458061658
123056346b5720
13134b64650134
147b39c85d608
153dacb77d3d0
hex20d9efae8c8

2257525074120 has 128 divisors (see below), whose sum is σ = 6798422016000. Its totient is φ = 599712664320.

The previous prime is 2257525074071. The next prime is 2257525074121. The reversal of 2257525074120 is 214705257522.

It is a super-2 number, since 2×22575250741202 (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2257525074121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42665841 + ... + 42718719.

It is an arithmetic number, because the mean of its divisors is an integer number (53112672000).

Almost surely, 22257525074120 is an apocalyptic number.

2257525074120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2257525074120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3399211008000).

2257525074120 is an abundant number, since it is smaller than the sum of its proper divisors (4540896941880).

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

2257525074120 is a wasteful number, since it uses less digits than its factorization.

2257525074120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54243 (or 54239 counting only the distinct ones).

The product of its (nonzero) digits is 392000, while the sum is 42.

The spelling of 2257525074120 in words is "two trillion, two hundred fifty-seven billion, five hundred twenty-five million, seventy-four thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 359 718 991 1077 1436 1795 1982 2154 2872 2973 3590 3964 4308 4955 5385 5946 7180 7928 8616 9910 10770 11892 14360 14865 19820 21540 23784 29730 39640 43080 52879 59460 105758 118920 158637 211516 264395 317274 355769 423032 528790 634548 711538 793185 1057580 1067307 1269096 1423076 1586370 1778845 2115160 2134614 2846152 3172740 3557690 4269228 5336535 6345480 7115380 8538456 10673070 14230760 18983561 21346140 37967122 42692280 52403089 56950683 75934244 94917805 104806178 113901366 151868488 157209267 189835610 209612356 227802732 262015445 284753415 314418534 379671220 419224712 455605464 524030890 569506830 628837068 759342440 786046335 1048061780 1139013660 1257674136 1572092670 2096123560 2278027320 3144185340 6288370680 18812708951 37625417902 56438126853 75250835804 94063544755 112876253706 150501671608 188127089510 225752507412 282190634265 376254179020 451505014824 564381268530 752508358040 1128762537060 2257525074120