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421245214511 = 11284091347989
BaseRepresentation
bin1100010000101000010…
…10111101111100101111
31111021022022012002102112
412020110022331330233
523400202233331021
6521303430514235
742301564146632
oct6102412757457
91437268162375
10421245214511
11152715a3a520
126978220597b
1330952cab5a4
14165619c7c19
15ae56b31d5b
hex62142bdf2f

421245214511 has 8 divisors (see below), whose sum is σ = 459556750800. Its totient is φ = 382936431040.

The previous prime is 421245214499. The next prime is 421245214519. The reversal of 421245214511 is 115412542124.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-421245214511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421245214519) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 361496 + ... + 986493.

It is an arithmetic number, because the mean of its divisors is an integer number (57444593850).

Almost surely, 2421245214511 is an apocalyptic number.

421245214511 is a deficient number, since it is larger than the sum of its proper divisors (38311536289).

421245214511 is a wasteful number, since it uses less digits than its factorization.

421245214511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1376409.

The product of its digits is 12800, while the sum is 32.

Adding to 421245214511 its reverse (115412542124), we get a palindrome (536657756635).

The spelling of 421245214511 in words is "four hundred twenty-one billion, two hundred forty-five million, two hundred fourteen thousand, five hundred eleven".

Divisors: 1 11 28409 312499 1347989 14827879 38295019501 421245214511