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29950494028 = 22721359281709
BaseRepresentation
bin11011111001001100…
…000100010101001100
32212022022010201221121
4123321030010111030
5442314311302103
621431543010324
72110125666400
oct337114042514
985268121847
1029950494028
111177a300504
12597a4399a4
132a94050820
141641a3d100
15ba45ea6bd
hex6f930454c

29950494028 has 144 divisors (see below), whose sum is σ = 67105735200. Its totient is φ = 11589903360.

The previous prime is 29950494019. The next prime is 29950494071. The reversal of 29950494028 is 82049405992.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 42242938 + ... + 42243646.

It is an arithmetic number, because the mean of its divisors is an integer number (466012050).

Almost surely, 229950494028 is an apocalyptic number.

29950494028 is a gapful number since it is divisible by the number (28) 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 29950494028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33552867600).

29950494028 is an abundant number, since it is smaller than the sum of its proper divisors (37155241172).

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

29950494028 is a wasteful number, since it uses less digits than its factorization.

29950494028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1080 (or 1071 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 52.

The spelling of 29950494028 in words is "twenty-nine billion, nine hundred fifty million, four hundred ninety-four thousand, twenty-eight".

Divisors: 1 2 4 7 13 14 26 28 49 52 59 91 98 118 182 196 236 281 364 413 562 637 709 767 826 1124 1274 1418 1534 1652 1967 2548 2836 2891 3068 3653 3934 4963 5369 5782 7306 7868 9217 9926 10738 11564 13769 14612 16579 18434 19852 21476 25571 27538 33158 34741 36868 37583 41831 51142 55076 64519 66316 69482 75166 83662 102284 116053 129038 138964 150332 167324 178997 199229 215527 232106 258076 292817 357994 398458 431054 451633 464212 543803 585634 715988 796916 812371 862108 903266 1087606 1171268 1394603 1508689 1624742 1806532 2049719 2175212 2589977 2789206 3017378 3249484 3806621 4099438 5179954 5578412 6034756 7613242 8198876 9762221 10359908 10560823 11754511 15226484 18129839 19524442 21121646 23509022 26646347 36259678 39048884 42243292 47018044 53292694 72519356 82281577 106585388 126908873 152808643 164563154 253817746 305617286 329126308 507635492 575971039 611234572 1069660501 1151942078 2139321002 2303884156 4278642004 7487623507 14975247014 29950494028