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30239817804 = 2234717784309
BaseRepresentation
bin11100001010011011…
…110000000001001100
32220001110112220120000
4130022123300001030
5443412343132204
621520400124300
72120241132060
oct341233600114
986043486500
1030239817804
1111908652769
125a3b306690
132b0bc81021
14166c233aa0
15bbebeb039
hex70a6f004c

30239817804 has 120 divisors (see below), whose sum is σ = 95660722080. Its totient is φ = 8131705344.

The previous prime is 30239817781. The next prime is 30239817823. The reversal of 30239817804 is 40871893203.

It is a self number, because there is not a number n which added to its sum of digits gives 30239817804.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 353599 + ... + 430710.

It is an arithmetic number, because the mean of its divisors is an integer number (797172684).

Almost surely, 230239817804 is an apocalyptic number.

30239817804 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

30239817804 is an abundant number, since it is smaller than the sum of its proper divisors (65420904276).

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

30239817804 is a wasteful number, since it uses less digits than its factorization.

30239817804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 784349 (or 784338 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The spelling of 30239817804 in words is "thirty billion, two hundred thirty-nine million, eight hundred seventeen thousand, eight hundred four".

Divisors: 1 2 3 4 6 7 9 12 14 17 18 21 27 28 34 36 42 51 54 63 68 81 84 102 108 119 126 153 162 189 204 238 252 306 324 357 378 459 476 567 612 714 756 918 1071 1134 1377 1428 1836 2142 2268 2754 3213 4284 5508 6426 9639 12852 19278 38556 784309 1568618 2352927 3137236 4705854 5490163 7058781 9411708 10980326 13333253 14117562 16470489 21176343 21960652 26666506 28235124 32940978 39999759 42352686 49411467 53333012 63529029 65881956 79999518 84705372 93332771 98822934 119999277 127058058 148234401 159999036 186665542 197645868 239998554 254116116 279998313 296468802 359997831 373331084 444703203 479997108 559996626 592937604 719995662 839994939 889406406 1079993493 1119993252 1439991324 1679989878 1778812812 2159986986 2519984817 3359979756 4319973972 5039969634 7559954451 10079939268 15119908902 30239817804