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421303420302 = 231493211122279
BaseRepresentation
bin1100010000101111010…
…01000000010110001110
31111021110100201020202120
412020113221000112032
523400312133422202
6521313310233410
742303201662052
oct6102751002616
91437410636676
10421303420302
11152745885386
12697997b5866
133096207a99b
1416569619c62
15ae5bccd0bc
hex6217a4058e

421303420302 has 32 divisors (see below), whose sum is σ = 843608494080. Its totient is φ = 140267634720.

The previous prime is 421303420271. The next prime is 421303420333. The reversal of 421303420302 is 203024303124.

It is an interprime number because it is at equal distance from previous prime (421303420271) and next prime (421303420333).

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, 18899199 + ... + 18921477.

It is an arithmetic number, because the mean of its divisors is an integer number (26362765440).

Almost surely, 2421303420302 is an apocalyptic number.

421303420302 is an abundant number, since it is smaller than the sum of its proper divisors (422305073778).

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

421303420302 is a wasteful number, since it uses less digits than its factorization.

421303420302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25888.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 421303420302 its reverse (203024303124), we get a palindrome (624327723426).

The spelling of 421303420302 in words is "four hundred twenty-one billion, three hundred three million, four hundred twenty thousand, three hundred two".

Divisors: 1 2 3 6 1493 2111 2986 4222 4479 6333 8958 12666 22279 44558 66837 133674 3151723 6303446 9455169 18910338 33262547 47030969 66525094 94061938 99787641 141092907 199575282 282185814 70217236717 140434473434 210651710151 421303420302