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23406155430 = 2357111457883
BaseRepresentation
bin10101110011000111…
…011001011010100110
32020102012210220002120
4111303013121122212
5340413433433210
614430323050410
71456012016130
oct256307313246
966365726076
1023406155430
119a2118a009
124652810a06
132290277418
1411c0816050
1591ecdc270
hex5731d96a6

23406155430 has 32 divisors (see below), whose sum is σ = 64199741184. Its totient is φ = 5349978336.

The previous prime is 23406155419. The next prime is 23406155453. The reversal of 23406155430 is 3455160432.

It is a super-2 number, since 2×234061554302 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23406155391 and 23406155400.

It is a congruent number.

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, 55728732 + ... + 55729151.

It is an arithmetic number, because the mean of its divisors is an integer number (2006241912).

Almost surely, 223406155430 is an apocalyptic number.

23406155430 is an abundant number, since it is smaller than the sum of its proper divisors (40793585754).

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

23406155430 is a wasteful number, since it uses less digits than its factorization.

23406155430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111457900.

The product of its (nonzero) digits is 43200, while the sum is 33.

The spelling of 23406155430 in words is "twenty-three billion, four hundred six million, one hundred fifty-five thousand, four hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 111457883 222915766 334373649 557289415 668747298 780205181 1114578830 1560410362 1671868245 2340615543 3343736490 3901025905 4681231086 7802051810 11703077715 23406155430