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421049795908 = 227791301146309
BaseRepresentation
bin1100010000010001000…
…01100000010101000100
31111020210200110210111111
412020020201200111010
523344302221432113
6521232210214404
742264002133250
oct6101041402504
91436720423444
10421049795908
111526256a6645
1269728884404
1330921669691
1416543a79260
15ae448d013d
hex6208860544

421049795908 has 48 divisors (see below), whose sum is σ = 853420377600. Its totient is φ = 178027574400.

The previous prime is 421049795851. The next prime is 421049795923. The reversal of 421049795908 is 809597940124.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2804658 + ... + 2950966.

It is an arithmetic number, because the mean of its divisors is an integer number (17779591200).

Almost surely, 2421049795908 is an apocalyptic number.

It is an amenable number.

421049795908 is an abundant number, since it is smaller than the sum of its proper divisors (432370581692).

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

421049795908 is a wasteful number, since it uses less digits than its factorization.

421049795908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147700 (or 147698 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 58.

The spelling of 421049795908 in words is "four hundred twenty-one billion, forty-nine million, seven hundred ninety-five thousand, nine hundred eight".

Divisors: 1 2 4 7 14 28 79 158 316 553 1106 1301 2212 2602 5204 9107 18214 36428 102779 146309 205558 292618 411116 585236 719453 1024163 1438906 2048326 2877812 4096652 11558411 23116822 46233644 80908877 161817754 190348009 323635508 380696018 761392036 1332436063 2664872126 5329744252 15037492711 30074985422 60149970844 105262448977 210524897954 421049795908