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5042978430 = 2357177917881
BaseRepresentation
bin1001011001001010…
…11011111001111110
3111000110020211212220
410230211123321332
540312000302210
62152224310210
7235653416010
oct45445337176
914013224786
105042978430
1121586a2376
12b88a72366
13624a29009
1435ba8c1b0
151e7ae5c70
hex12c95be7e

5042978430 has 128 divisors (see below), whose sum is σ = 14832046080. Its totient is φ = 1071083520.

The previous prime is 5042978417. The next prime is 5042978441. The reversal of 5042978430 is 348792405.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 273090 + ... + 290970.

It is an arithmetic number, because the mean of its divisors is an integer number (115875360).

Almost surely, 25042978430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5042978430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7416023040).

5042978430 is an abundant number, since it is smaller than the sum of its proper divisors (9789067650).

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

5042978430 is a wasteful number, since it uses less digits than its factorization.

5042978430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17994.

The product of its (nonzero) digits is 241920, while the sum is 42.

The square root of 5042978430 is about 71013.9312388773. The cubic root of 5042978430 is about 1714.8614473261.

The spelling of 5042978430 in words is "five billion, forty-two million, nine hundred seventy-eight thousand, four hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 17 21 30 34 35 42 51 70 79 85 102 105 119 158 170 210 237 238 255 357 395 474 510 553 595 714 790 1106 1185 1190 1343 1659 1785 2370 2686 2765 3318 3570 4029 5530 6715 8058 8295 9401 13430 16590 17881 18802 20145 28203 35762 40290 47005 53643 56406 89405 94010 107286 125167 141015 178810 250334 268215 282030 303977 375501 536430 607954 625835 751002 911931 1251670 1412599 1519885 1823862 1877505 2127839 2825198 3039770 3755010 4237797 4255678 4559655 6383517 7062995 8475594 9119310 9888193 10639195 12767034 14125990 19776386 21188985 21278390 24014183 29664579 31917585 42377970 48028366 49440965 59329158 63835170 72042549 98881930 120070915 144085098 148322895 168099281 240141830 296645790 336198562 360212745 504297843 720425490 840496405 1008595686 1680992810 2521489215 5042978430