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23400021300 = 2235278000071
BaseRepresentation
bin10101110010101111…
…111111110100110100
32020101210021020122120
4111302233333310310
5340410401140200
614425543355540
71455605620305
oct256257776464
966353236576
1023400021300
119a1877a387
124650752bb0
13228bc0a366
1411bda9a7ac
1591e4c99a0
hex572bffd34

23400021300 has 36 divisors (see below), whose sum is σ = 67704062496. Its totient is φ = 6240005600.

The previous prime is 23400021287. The next prime is 23400021341. The reversal of 23400021300 is 312000432.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 23400021300.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38999736 + ... + 39000335.

Almost surely, 223400021300 is an apocalyptic number.

23400021300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23400021300 is an abundant number, since it is smaller than the sum of its proper divisors (44304041196).

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

23400021300 is a wasteful number, since it uses less digits than its factorization.

23400021300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78000088 (or 78000081 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 23400021300 its reverse (312000432), we get a palindrome (23712021732).

The spelling of 23400021300 in words is "twenty-three billion, four hundred million, twenty-one thousand, three hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 150 300 78000071 156000142 234000213 312000284 390000355 468000426 780000710 936000852 1170001065 1560001420 1950001775 2340002130 3900003550 4680004260 5850005325 7800007100 11700010650 23400021300