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30100302512 = 2473191272273
BaseRepresentation
bin11100000010000111…
…100010101010110000
32212200202000210112222
4130002013202222300
5443121134140022
621454453540212
72113625231000
oct340207425260
985622023488
1030100302512
1111846921875
125a00644668
132ab90b34b7
1416578b8000
15bb283d242
hex7021e2ab0

30100302512 has 160 divisors (see below), whose sum is σ = 72185856000. Its totient is φ = 12119611392.

The previous prime is 30100302511. The next prime is 30100302539. The reversal of 30100302512 is 21520300103.

It is a super-2 number, since 2×301003025122 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30100302511) 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, 13241408 + ... + 13243680.

It is an arithmetic number, because the mean of its divisors is an integer number (451161600).

Almost surely, 230100302512 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 30100302512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36092928000).

30100302512 is an abundant number, since it is smaller than the sum of its proper divisors (42085553488).

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

30100302512 is a wasteful number, since it uses less digits than its factorization.

30100302512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2448 (or 2428 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

Adding to 30100302512 its reverse (21520300103), we get a palindrome (51620602615).

The spelling of 30100302512 in words is "thirty billion, one hundred million, three hundred two thousand, five hundred twelve".

Divisors: 1 2 4 7 8 14 16 19 28 38 49 56 76 98 112 127 133 152 196 254 266 304 343 392 508 532 686 784 889 931 1016 1064 1372 1778 1862 2032 2128 2273 2413 2744 3556 3724 4546 4826 5488 6223 6517 7112 7448 9092 9652 12446 13034 14224 14896 15911 16891 18184 19304 24892 26068 31822 33782 36368 38608 43187 43561 49784 52136 63644 67564 86374 87122 99568 104272 111377 118237 127288 135128 172748 174244 222754 236474 254576 270256 288671 302309 345496 348488 445508 472948 577342 604618 690992 696976 779639 827659 891016 945896 1154684 1209236 1559278 1655318 1782032 1891792 2020697 2116163 2309368 2418472 3118556 3310636 4041394 4232326 4618736 4836944 5484749 6237112 6621272 8082788 8464652 10969498 12474224 13242544 14144879 14813141 16165576 16929304 21938996 28289758 29626282 32331152 33858608 38393243 43877992 56579516 59252564 76786486 87755984 99014153 113159032 118505128 153572972 198028306 226318064 237010256 268752701 307145944 396056612 537505402 614291888 792113224 1075010804 1584226448 1881268907 2150021608 3762537814 4300043216 7525075628 15050151256 30100302512