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420423041430 = 23257295334023
BaseRepresentation
bin1100001111000110010…
…10101000000110010110
31111012012000010100222200
412013203022220012112
523342011244311210
6521050100505330
742242321613600
oct6074312500626
91435160110880
10420423041430
11152333934737
12695929ab246
1330851864142
14164c472a170
15ae0987a0c0
hex61e32a8196

420423041430 has 72 divisors (see below), whose sum is σ = 1271565212112. Its totient is φ = 96096694176.

The previous prime is 420423041413. The next prime is 420423041459. The reversal of 420423041430 is 34140324024.

It is a happy number.

420423041430 is a `hidden beast` number, since 4 + 204 + 23 + 0 + 4 + 1 + 430 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 420423041394 and 420423041403.

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 35 ways as a sum of consecutive naturals, for example, 47662602 + ... + 47671421.

It is an arithmetic number, because the mean of its divisors is an integer number (17660627946).

Almost surely, 2420423041430 is an apocalyptic number.

420423041430 is an abundant number, since it is smaller than the sum of its proper divisors (851142170682).

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

420423041430 is a wasteful number, since it uses less digits than its factorization.

420423041430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95334050 (or 95334040 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 420423041430 its reverse (34140324024), we get a palindrome (454563365454).

The spelling of 420423041430 in words is "four hundred twenty billion, four hundred twenty-three million, forty-one thousand, four hundred thirty".

Divisors: 1 2 3 5 6 7 9 10 14 15 18 21 30 35 42 45 49 63 70 90 98 105 126 147 210 245 294 315 441 490 630 735 882 1470 2205 4410 95334023 190668046 286002069 476670115 572004138 667338161 858006207 953340230 1334676322 1430010345 1716012414 2002014483 2860020690 3336690805 4004028966 4290031035 4671367127 6006043449 6673381610 8580062070 9342734254 10010072415 12012086898 14014101381 20020144830 23356835635 28028202762 30030217245 42042304143 46713671270 60060434490 70070506905 84084608286 140141013810 210211520715 420423041430