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218432403226230 = 2357727942290683
BaseRepresentation
bin110001101010100111000001…
…110011010011111001110110
31001122101221012202012112020220
4301222213001303103321312
5212112244030211214410
62052322243304235210
764003135402532604
oct6152470163237166
91048357182175226
10218432403226230
1163665731111406
12205b97b5a6bb06
1394b6119889c1b
143bd2282c5c874
151a3bddc42c070
hexc6a9c1cd3e76

218432403226230 has 32 divisors (see below), whose sum is σ = 524305613228544. Its totient is φ = 58241102473056.

The previous prime is 218432403226123. The next prime is 218432403226253. The reversal of 218432403226230 is 32622304234812.

It is a super-2 number, since 2×2184324032262302 (a number of 29 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 15 ways as a sum of consecutive naturals, for example, 470913532 + ... + 471377151.

It is an arithmetic number, because the mean of its divisors is an integer number (16384550413392).

Almost surely, 2218432403226230 is an apocalyptic number.

218432403226230 is an abundant number, since it is smaller than the sum of its proper divisors (305873210002314).

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

218432403226230 is a wasteful number, since it uses less digits than its factorization.

218432403226230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 942298420.

The product of its (nonzero) digits is 663552, while the sum is 42.

The spelling of 218432403226230 in words is "two hundred eighteen trillion, four hundred thirty-two billion, four hundred three million, two hundred twenty-six thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 7727 15454 23181 38635 46362 77270 115905 231810 942290683 1884581366 2826872049 4711453415 5653744098 9422906830 14134360245 28268720490 7281080107541 14562160215082 21843240322623 36405400537705 43686480645246 72810801075410 109216201613115 218432403226230