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30123231421024 = 2571717944192807
BaseRepresentation
bin1101101100101100111001…
…00000100010001001100000
310221122202022210100120021201
412312112130200202021200
512422014334220433044
6144022231012130544
76226221520236160
oct666263440421140
9127582283316251
1030123231421024
11966421090a665
123466101306a54
1313a67bac46b61
14761d8793a5a0
153738937d77d4
hex1b659c822260

30123231421024 has 96 divisors (see below), whose sum is σ = 72165087751680. Its totient is φ = 12082666702848.

The previous prime is 30123231421013. The next prime is 30123231421033. The reversal of 30123231421024 is 42012413232103.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 30123231420983 and 30123231421001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21414772 + ... + 22778035.

It is an arithmetic number, because the mean of its divisors is an integer number (751719664080).

Almost surely, 230123231421024 is an apocalyptic number.

30123231421024 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

30123231421024 is an abundant number, since it is smaller than the sum of its proper divisors (42041856330656).

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

30123231421024 is a wasteful number, since it uses less digits than its factorization.

30123231421024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44193020 (or 44193012 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 30123231421024 its reverse (42012413232103), we get a palindrome (72135644653127).

The spelling of 30123231421024 in words is "thirty trillion, one hundred twenty-three billion, two hundred thirty-one million, four hundred twenty-one thousand, twenty-four".

Divisors: 1 2 4 7 8 14 16 17 28 32 34 56 68 112 119 136 179 224 238 272 358 476 544 716 952 1253 1432 1904 2506 2864 3043 3808 5012 5728 6086 10024 12172 20048 21301 24344 40096 42602 48688 85204 97376 170408 340816 681632 44192807 88385614 176771228 309349649 353542456 618699298 707084912 751277719 1237398596 1414169824 1502555438 2474797192 3005110876 4949594384 5258944033 6010221752 7910512453 9899188768 10517888066 12020443504 15821024906 21035776132 24040887008 31642049812 42071552264 55373587171 63284099624 84143104528 110747174342 126568199248 134478711701 168286209056 221494348684 253136398496 268957423402 442988697368 537914846804 885977394736 941350981907 1075829693608 1771954789472 1882701963814 2151659387216 3765403927628 4303318774432 7530807855256 15061615710512 30123231421024