Search a number
-
+
29995029432 = 23331743189967
BaseRepresentation
bin11011111011110101…
…111101001110111000
32212102101221101001000
4123323311331032320
5442412211420212
621440213325000
72111206354254
oct337365751670
985371841030
1029995029432
11117a2459625
125991336760
132aa0344834
141647913264
15ba84961dc
hex6fbd7d3b8

29995029432 has 128 divisors (see below), whose sum is σ = 90272793600. Its totient is φ = 9191314944.

The previous prime is 29995029419. The next prime is 29995029433. The reversal of 29995029432 is 23492059992.

It is a happy number.

29995029432 is a `hidden beast` number, since 2 + 9 + 99 + 502 + 9 + 43 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29995029433) 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, 62913 + ... + 252879.

It is an arithmetic number, because the mean of its divisors is an integer number (705256200).

Almost surely, 229995029432 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 29995029432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45136396800).

29995029432 is an abundant number, since it is smaller than the sum of its proper divisors (60277764168).

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

29995029432 is a wasteful number, since it uses less digits than its factorization.

29995029432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190042 (or 190032 counting only the distinct ones).

The product of its (nonzero) digits is 3149280, while the sum is 54.

The spelling of 29995029432 in words is "twenty-nine billion, nine hundred ninety-five million, twenty-nine thousand, four hundred thirty-two".

Divisors: 1 2 3 4 6 8 9 12 17 18 24 27 34 36 43 51 54 68 72 86 102 108 129 136 153 172 204 216 258 306 344 387 408 459 516 612 731 774 918 1032 1161 1224 1462 1548 1836 2193 2322 2924 3096 3672 4386 4644 5848 6579 8772 9288 13158 17544 19737 26316 39474 52632 78948 157896 189967 379934 569901 759868 1139802 1519736 1709703 2279604 3229439 3419406 4559208 5129109 6458878 6838812 8168581 9688317 10258218 12917756 13677624 16337162 19376634 20516436 24505743 25835512 29064951 32674324 38753268 41032872 49011486 58129902 65348648 73517229 77506536 87194853 98022972 116259804 138865877 147034458 174389706 196045944 220551687 232519608 277731754 294068916 348779412 416597631 441103374 555463508 588137832 697558824 833195262 882206748 1110927016 1249792893 1666390524 1764413496 2499585786 3332781048 3749378679 4999171572 7498757358 9998343144 14997514716 29995029432