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312430031444424 = 233193311412069069
BaseRepresentation
bin100011100001001110100100…
…1000010101001100111001000
31111222020000112002001111122210
41013002131021002221213020
5311422323201022210144
63024252213000345120
7122544216301455135
oct10702351102514710
91458200462044583
10312430031444424
1190605917797383
122b05b0494751a0
131054404418739a
1457219a0c8958c
15261c04e913ab9
hex11c27490a99c8

312430031444424 has 64 divisors (see below), whose sum is σ = 822187173528000. Its totient is φ = 98661769562880.

The previous prime is 312430031444407. The next prime is 312430031444471. The reversal of 312430031444424 is 424444130034213.

It is a happy number.

It is a super-2 number, since 2×3124300314444242 (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, 149965762 + ... + 152034830.

It is an arithmetic number, because the mean of its divisors is an integer number (12846674586375).

Almost surely, 2312430031444424 is an apocalyptic number.

It is an amenable number.

312430031444424 is an abundant number, since it is smaller than the sum of its proper divisors (509757142083576).

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

312430031444424 is a wasteful number, since it uses less digits than its factorization.

312430031444424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2400238 (or 2400234 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 39.

Adding to 312430031444424 its reverse (424444130034213), we get a palindrome (736874161478637).

The spelling of 312430031444424 in words is "three hundred twelve trillion, four hundred thirty billion, thirty-one million, four hundred forty-four thousand, four hundred twenty-four".

Divisors: 1 2 3 4 6 8 12 19 24 38 57 76 114 152 228 456 331141 662282 993423 1324564 1986846 2069069 2649128 3973692 4138138 6207207 6291679 7947384 8276276 12414414 12583358 16552552 18875037 24828828 25166716 37750074 39312311 49657656 50333432 75500148 78624622 117936933 151000296 157249244 235873866 314498488 471747732 943495464 685153577729 1370307155458 2055460733187 2740614310916 4110921466374 5481228621832 8221842932748 13017917976851 16443685865496 26035835953702 39053753930553 52071671907404 78107507861106 104143343814808 156215015722212 312430031444424