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2121130012308 = 22315723919492417
BaseRepresentation
bin11110110111011101001…
…100110110111010010100
321111210000012100000221020
4132313131030312322110
5234223033240343213
64302233401321140
7306150402423006
oct36673514667224
97453005300836
102121130012308
1174862565997a
122a310a1961b0
131250388a9b78
147493dd08376
153a297296923
hex1eddd336e94

2121130012308 has 96 divisors (see below), whose sum is σ = 5006304576000. Its totient is φ = 698952124416.

The previous prime is 2121130012283. The next prime is 2121130012363. The reversal of 2121130012308 is 8032100311212.

It is a super-2 number, since 2×21211300123082 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 877586716 + ... + 877589132.

It is an arithmetic number, because the mean of its divisors is an integer number (52149006000).

Almost surely, 22121130012308 is an apocalyptic number.

It is an amenable number.

2121130012308 is an abundant number, since it is smaller than the sum of its proper divisors (2885174563692).

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

2121130012308 is a wasteful number, since it uses less digits than its factorization.

2121130012308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4769 (or 4767 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The spelling of 2121130012308 in words is "two trillion, one hundred twenty-one billion, one hundred thirty million, twelve thousand, three hundred eight".

Divisors: 1 2 3 4 6 12 157 239 314 471 478 628 717 942 956 1434 1884 1949 2417 2868 3898 4834 5847 7251 7796 9668 11694 14502 23388 29004 37523 75046 112569 150092 225138 305993 379469 450276 465811 577663 611986 758938 917979 931622 1138407 1155326 1223972 1397433 1517876 1732989 1835958 1863244 2276814 2310652 2794866 3465978 3671916 4553628 4710733 5589732 6931956 9421466 14132199 18842932 28264398 56528796 73132327 90693091 146264654 181386182 219396981 272079273 292529308 362772364 438793962 544158546 739585081 877587924 1088317092 1125865187 1479170162 2218755243 2251730374 2958340324 3377595561 4437510486 4503460748 6755191122 8875020972 13510382244 176760834359 353521668718 530282503077 707043337436 1060565006154 2121130012308