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421245255130 = 25748712356857
BaseRepresentation
bin1100010000101000010…
…11000111110111011010
31111021022022021011010221
412020110023013313122
523400202241131010
6521303431430254
742301564406230
oct6102413076732
91437268234127
10421245255130
11152715a67a97
126978222538a
1330952cc3c1b
14165619d8950
15ae56b3ddda
hex62142c7dda

421245255130 has 32 divisors (see below), whose sum is σ = 868341125376. Its totient is φ = 144130368384.

The previous prime is 421245255103. The next prime is 421245255149. The reversal of 421245255130 is 31552542124.

It is a happy number.

It is a super-3 number, since 3×4212452551303 (a number of 36 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6144339 + ... + 6212518.

It is an arithmetic number, because the mean of its divisors is an integer number (27135660168).

Almost surely, 2421245255130 is an apocalyptic number.

421245255130 is an abundant number, since it is smaller than the sum of its proper divisors (447095870246).

421245255130 is a wasteful number, since it uses less digits than its factorization.

421245255130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12357358.

The product of its (nonzero) digits is 48000, while the sum is 34.

Adding to 421245255130 its reverse (31552542124), we get a palindrome (452797797254).

The spelling of 421245255130 in words is "four hundred twenty-one billion, two hundred forty-five million, two hundred fifty-five thousand, one hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 487 974 2435 3409 4870 6818 17045 34090 12356857 24713714 61784285 86497999 123568570 172995998 432489995 864979990 6017789359 12035578718 30088946795 42124525513 60177893590 84249051026 210622627565 421245255130