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421253114430 = 235653177712101
BaseRepresentation
bin1100010000101001010…
…01000110101000111110
31111021022212001110002010
412020110221012220332
523400211244130210
6521304312112050
742302021251521
oct6102451065076
91437285043063
10421253114430
1115271a445885
1269784995626
13309548162b5
1416562a82bb8
15ae57692920
hex6214a46a3e

421253114430 has 64 divisors (see below), whose sum is σ = 1013209259328. Its totient is φ = 112089753600.

The previous prime is 421253114419. The next prime is 421253114453. The reversal of 421253114430 is 34411352124.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34805380 + ... + 34817480.

It is an arithmetic number, because the mean of its divisors is an integer number (15831394677).

Almost surely, 2421253114430 is an apocalyptic number.

421253114430 is an abundant number, since it is smaller than the sum of its proper divisors (591956144898).

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

421253114430 is a wasteful number, since it uses less digits than its factorization.

421253114430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14541.

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 421253114430 its reverse (34411352124), we get a palindrome (455664466554).

The spelling of 421253114430 in words is "four hundred twenty-one billion, two hundred fifty-three million, one hundred fourteen thousand, four hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 653 1306 1777 1959 3265 3554 3918 5331 6530 8885 9795 10662 12101 17770 19590 24202 26655 36303 53310 60505 72606 121010 181515 363030 1160381 2320762 3481143 5801905 6962286 7901953 11603810 15803906 17405715 21503477 23705859 34811430 39509765 43006954 47411718 64510431 79019530 107517385 118529295 129020862 215034770 237058590 322552155 645104310 14041770481 28083540962 42125311443 70208852405 84250622886 140417704810 210626557215 421253114430