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231122012023112 = 23729633169439541
BaseRepresentation
bin110100100011010001001001…
…011011010010100101001000
31010022100001022101220012212112
4310203101021123102211020
5220243200340034214422
62135315553032201452
766453004625604050
oct6443211133224510
91108301271805775
10231122012023112
11677083274a3131
1221b08bb2239288
139bc6934977a32
144110517a68560
151bac03201eee2
hexd234496d2948

231122012023112 has 64 divisors (see below), whose sum is σ = 495586066435200. Its totient is φ = 98987389839360.

The previous prime is 231122012023087. The next prime is 231122012023121. The reversal of 231122012023112 is 211320210221132.

It is a super-2 number, since 2×2311220120231122 (a number of 30 digits) contains 22 as substring.

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, 525606062 + ... + 526045602.

It is an arithmetic number, because the mean of its divisors is an integer number (7743532288050).

Almost surely, 2231122012023112 is an apocalyptic number.

It is an amenable number.

231122012023112 is an abundant number, since it is smaller than the sum of its proper divisors (264464054412088).

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

231122012023112 is a wasteful number, since it uses less digits than its factorization.

231122012023112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445686 (or 445682 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 231122012023112 its reverse (211320210221132), we get a palindrome (442442222244244).

The spelling of 231122012023112 in words is "two hundred thirty-one trillion, one hundred twenty-two billion, twelve million, twenty-three thousand, one hundred twelve".

Divisors: 1 2 4 7 8 14 28 56 2963 3169 5926 6338 11852 12676 20741 22183 23704 25352 41482 44366 82964 88732 165928 177464 439541 879082 1758164 3076787 3516328 6153574 9389747 12307148 18779494 24614296 37558988 65728229 75117976 131456458 262912916 525825832 1302359983 1392905429 2604719966 2785810858 5209439932 5571621716 9116519881 9750338003 10418879864 11143243432 18233039762 19500676006 36466079524 39001352012 72932159048 78002704024 4127178786127 8254357572254 16508715144508 28890251502889 33017430289016 57780503005778 115561006011556 231122012023112