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30102323023020 = 22351087565381647
BaseRepresentation
bin1101101100000101111100…
…10001010100110010101100
310221120202100122111220020110
412312002332101110302230
512421144024143214040
6144004452152420020
76224551424625453
oct666027621246254
9127522318456213
1030102323023020
119656361642796
1234620470a7610
1313a48382c5211
14760d62b4db9a
1537306ce31980
hex1b60be454cac

30102323023020 has 96 divisors (see below), whose sum is σ = 84380002172928. Its totient is φ = 8018384424192.

The previous prime is 30102323023009. The next prime is 30102323023021. The reversal of 30102323023020 is 2032032320103.

It is a super-2 number, since 2×301023230230202 (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30102323023021) 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, 368647837 + ... + 368729483.

It is an arithmetic number, because the mean of its divisors is an integer number (878958355968).

Almost surely, 230102323023020 is an apocalyptic number.

30102323023020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30102323023020 is an abundant number, since it is smaller than the sum of its proper divisors (54277679149908).

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

30102323023020 is a wasteful number, since it uses less digits than its factorization.

30102323023020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88399 (or 88397 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 30102323023020 its reverse (2032032320103), we get a palindrome (32134355343123).

The spelling of 30102323023020 in words is "thirty trillion, one hundred two billion, three hundred twenty-three million, twenty-three thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 1087 2174 3261 4348 5435 5653 6522 10870 11306 13044 16305 16959 21740 22612 28265 32610 33918 56530 65220 67836 81647 84795 113060 163294 169590 244941 326588 339180 408235 489882 816470 979764 1224705 1632940 2449410 4898820 6144811 12289622 18434433 24579244 30724055 36868866 61448110 73737732 88750289 92172165 122896220 177500578 184344330 266250867 355001156 368688660 443751445 461550491 532501734 887502890 923100982 1065003468 1331254335 1384651473 1775005780 1846201964 2307752455 2662508670 2769302946 4615504910 5325017340 5538605892 6923257365 9231009820 13846514730 27693029460 501705383717 1003410767434 1505116151151 2006821534868 2508526918585 3010232302302 5017053837170 6020464604604 7525580755755 10034107674340 15051161511510 30102323023020