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102458157574690 = 25178326337374021
BaseRepresentation
bin10111010010111101100110…
…000101100010101000100010
3111102202220102011110122121101
4113102331212011202220202
5101412133301314342230
61001524343334345014
730403233441602551
oct2722754605425042
9442686364418541
10102458157574690
112a712295965a75
12b5a90b17bb16a
1345229bbb50028
141b43003759d98
15bca289caeaca
hex5d2f66162a22

102458157574690 has 128 divisors (see below), whose sum is σ = 198911842601472. Its totient is φ = 37860569149440.

The previous prime is 102458157574679. The next prime is 102458157574697. The reversal of 102458157574690 is 96475751854201.

It is a happy number.

It is a super-2 number, since 2×1024581575746902 (a number of 29 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (64) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (102458157574697) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1384139880 + ... + 1384213900.

It is an arithmetic number, because the mean of its divisors is an integer number (1553998770324).

Almost surely, 2102458157574690 is an apocalyptic number.

102458157574690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102458157574690 is a deficient number, since it is larger than the sum of its proper divisors (96453685026782).

102458157574690 is a wasteful number, since it uses less digits than its factorization.

102458157574690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74764.

The product of its (nonzero) digits is 84672000, while the sum is 64.

The spelling of 102458157574690 in words is "one hundred two trillion, four hundred fifty-eight billion, one hundred fifty-seven million, five hundred seventy-four thousand, six hundred ninety".

Divisors: 1 2 5 10 17 34 83 85 166 170 263 373 415 526 746 830 1315 1411 1865 2630 2822 3730 4471 6341 7055 8942 12682 14110 21829 22355 30959 31705 43658 44710 61918 63410 74021 98099 109145 148042 154795 196198 218290 309590 370105 371093 490495 526303 740210 742186 980990 1052606 1258357 1667683 1855465 2516714 2631515 3335366 3710930 5263030 6143743 6291785 8142217 8338415 12287486 12583570 16284434 16676830 19467523 27609833 30718715 38935046 40711085 55219666 61437430 81422170 97337615 104443631 138049165 138417689 194675230 208887262 276098330 276835378 330947891 469367161 522218155 661895782 692088445 938734322 1044436310 1384176890 1615804409 1654739455 2291616139 2346835805 3231608818 3309478910 4583232278 4693671610 7261386079 8079022045 11458080695 14522772158 16158044090 22916161390 27468674953 36306930395 38957474363 54937349906 72613860790 77914948726 123443563343 137343374765 194787371815 246887126686 274686749530 389574743630 602695044557 617217816715 1205390089114 1234435633430 3013475222785 6026950445570 10245815757469 20491631514938 51229078787345 102458157574690