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50430243540 = 223541130315733
BaseRepresentation
bin101110111101111000…
…000111001011010100
311211011120101210210210
4232331320013023110
51311240120243130
635100051045420
73433464666045
oct567570071324
9154146353723
1050430243540
111a429615426
129934ba0870
1349a8c400c1
1426259288cc
1514a252e5b0
hexbbde072d4

50430243540 has 96 divisors (see below), whose sum is σ = 144768911616. Its totient is φ = 13109160960.

The previous prime is 50430243503. The next prime is 50430243541. The reversal of 50430243540 is 4534203405.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 50430243498 and 50430243507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50430243541) 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, 3197514 + ... + 3213246.

It is an arithmetic number, because the mean of its divisors is an integer number (1508009496).

Almost surely, 250430243540 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 50430243540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72384455808).

50430243540 is an abundant number, since it is smaller than the sum of its proper divisors (94338668076).

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

50430243540 is a wasteful number, since it uses less digits than its factorization.

50430243540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17089 (or 17087 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 30.

Adding to 50430243540 its reverse (4534203405), we get a palindrome (54964446945).

The spelling of 50430243540 in words is "fifty billion, four hundred thirty million, two hundred forty-three thousand, five hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 41 60 82 123 164 205 246 410 492 615 820 1230 1303 2460 2606 3909 5212 6515 7818 13030 15636 15733 19545 26060 31466 39090 47199 53423 62932 78180 78665 94398 106846 157330 160269 188796 213692 235995 267115 314660 320538 471990 534230 641076 645053 801345 943980 1068460 1290106 1602690 1935159 2580212 3205380 3225265 3870318 6450530 7740636 9675795 12901060 19351590 20500099 38703180 41000198 61500297 82000396 102500495 123000594 205000990 246001188 307501485 410001980 615002970 840504059 1230005940 1681008118 2521512177 3362016236 4202520295 5043024354 8405040590 10086048708 12607560885 16810081180 25215121770 50430243540