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421301024140 = 225433466310433
BaseRepresentation
bin1100010000101110111…
…11110111010110001100
31111021110012012111211211
412020113133313112030
523400311030233030
6521313143024204
742303142422133
oct6102737672614
91437405174754
10421301024140
11152744499087
1269798a3b064
133096171c139
141656919491a
15ae5b9a812a
hex62177f758c

421301024140 has 48 divisors (see below), whose sum is σ = 887050600128. Its totient is φ = 168079048704.

The previous prime is 421301024093. The next prime is 421301024141. The reversal of 421301024140 is 41420103124.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (421301024141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40376364 + ... + 40386796.

It is an arithmetic number, because the mean of its divisors is an integer number (18480220836).

Almost surely, 2421301024140 is an apocalyptic number.

It is an amenable number.

421301024140 is an abundant number, since it is smaller than the sum of its proper divisors (465749575988).

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

421301024140 is a wasteful number, since it uses less digits than its factorization.

421301024140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15538 (or 15536 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 421301024140 its reverse (41420103124), we get a palindrome (462721127264).

The spelling of 421301024140 in words is "four hundred twenty-one billion, three hundred one million, twenty-four thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 433 866 1732 2165 4330 4663 8660 9326 10433 18652 20866 23315 41732 46630 52165 93260 104330 208660 2019079 4038158 4517489 8076316 9034978 10095395 18069956 20190790 22587445 40381580 45174890 48649079 90349780 97298158 194596316 243245395 486490790 972981580 21065051207 42130102414 84260204828 105325256035 210650512070 421301024140