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20214242430 = 2351913527791
BaseRepresentation
bin10010110100110111…
…001101110001111110
31221011202122220121120
4102310313031301332
5312344321224210
613141501211410
71313633140254
oct226467156176
957152586546
1020214242430
11863345a588
123b01860b66
131ba1baa7c5
14d9a9345d4
157d498a270
hex4b4dcdc7e

20214242430 has 32 divisors (see below), whose sum is σ = 48768196608. Its totient is φ = 5362240800.

The previous prime is 20214242417. The next prime is 20214242431. The reversal of 20214242430 is 3424241202.

It is a self number, because there is not a number n which added to its sum of digits gives 20214242430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20214242431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1758166 + ... + 1769625.

It is an arithmetic number, because the mean of its divisors is an integer number (1524006144).

Almost surely, 220214242430 is an apocalyptic number.

20214242430 is an abundant number, since it is smaller than the sum of its proper divisors (28553954178).

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

20214242430 is a wasteful number, since it uses less digits than its factorization.

20214242430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3527992.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 20214242430 its reverse (3424241202), we get a palindrome (23638483632).

The spelling of 20214242430 in words is "twenty billion, two hundred fourteen million, two hundred forty-two thousand, four hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 191 382 573 955 1146 1910 2865 5730 3527791 7055582 10583373 17638955 21166746 35277910 52916865 105833730 673808081 1347616162 2021424243 3369040405 4042848486 6738080810 10107121215 20214242430