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10401235420 = 2252069251359
BaseRepresentation
bin10011010111111011…
…00100000111011100
3222211212202111122111
421223331210013130
5132300204013140
64440034323404
7515516020342
oct115375440734
928755674574
1010401235420
114458254134
122023429564
13c99b72194
14709569992
1540d2177ea
hex26bf641dc

10401235420 has 24 divisors (see below), whose sum is σ = 21853238400. Its totient is φ = 4158466752.

The previous prime is 10401235343. The next prime is 10401235423. The reversal of 10401235420 is 2453210401.

It is a junction number, because it is equal to n+sod(n) for n = 10401235391 and 10401235400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10401235423) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 84300 + ... + 167059.

It is an arithmetic number, because the mean of its divisors is an integer number (910551600).

Almost surely, 210401235420 is an apocalyptic number.

10401235420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10401235420 is an abundant number, since it is smaller than the sum of its proper divisors (11452002980).

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

10401235420 is a wasteful number, since it uses less digits than its factorization.

10401235420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253437 (or 253435 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 10401235420 its reverse (2453210401), we get a palindrome (12854445821).

The spelling of 10401235420 in words is "ten billion, four hundred one million, two hundred thirty-five thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 2069 4138 8276 10345 20690 41380 251359 502718 1005436 1256795 2513590 5027180 520061771 1040123542 2080247084 2600308855 5200617710 10401235420