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30122121121022 = 2779103448159009
BaseRepresentation
bin1101101100101010110100…
…10101000100110011111110
310221122122110102010111000102
412312111122111010303332
512422010101001333042
6144021524510401102
76226152145654010
oct666253225046376
9127578412114012
1030122121121022
1196637a10aa857
123465a51500192
1313a6671bcabc8
14761cc02ba1b0
1537382b0b9b32
hex1b655a544cfe

30122121121022 has 64 divisors (see below), whose sum is σ = 52811929497600. Its totient is φ = 12619290378240.

The previous prime is 30122121121021. The next prime is 30122121121061. The reversal of 30122121121022 is 22012112122103.

It is a junction number, because it is equal to n+sod(n) for n = 30122121120985 and 30122121121003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30122121121021) 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, 510437054 + ... + 510496062.

It is an arithmetic number, because the mean of its divisors is an integer number (825186398400).

Almost surely, 230122121121022 is an apocalyptic number.

30122121121022 is a deficient number, since it is larger than the sum of its proper divisors (22689808376578).

30122121121022 is a wasteful number, since it uses less digits than its factorization.

30122121121022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63681.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 30122121121022 its reverse (22012112122103), we get a palindrome (52134233243125).

The spelling of 30122121121022 in words is "thirty trillion, one hundred twenty-two billion, one hundred twenty-one million, one hundred twenty-one thousand, twenty-two".

Divisors: 1 2 7 14 79 103 158 206 553 721 1106 1442 4481 8137 8962 16274 31367 56959 59009 62734 113918 118018 353999 413063 461543 707998 826126 923086 2477993 3230801 4661711 4955986 6077927 6461602 9323422 12155854 32631977 36461897 42545489 65263954 72923794 85090978 255233279 264419329 480156233 510466558 528838658 960312466 1850935303 3361093631 3701870606 6722187262 20889126991 27235190887 41778253982 54470381774 146223888937 190646336209 292447777874 381292672418 2151580080073 4303160160146 15061060560511 30122121121022