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23310130400 = 2552291004747
BaseRepresentation
bin10101101101011001…
…000101110011100000
32020011112010022111222
4111231121011303200
5340214343133100
614413012554212
71453434560564
oct255531056340
966145108458
1023310130400
119981a62a87
124626622968
1322763c5c8b
1411b1b7b6a4
15916670485
hex56d645ce0

23310130400 has 72 divisors (see below), whose sum is σ = 58868185320. Its totient is φ = 9002524160.

The previous prime is 23310130391. The next prime is 23310130409. The reversal of 23310130400 is 403101332.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (23310130391) and next prime (23310130409).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23310130409) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 479174 + ... + 525573.

It is an arithmetic number, because the mean of its divisors is an integer number (817613685).

Almost surely, 223310130400 is an apocalyptic number.

23310130400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23310130400 is an abundant number, since it is smaller than the sum of its proper divisors (35558054920).

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

23310130400 is a wasteful number, since it uses less digits than its factorization.

23310130400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1004796 (or 1004783 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 23310130400 its reverse (403101332), we get a palindrome (23713231732).

The spelling of 23310130400 in words is "twenty-three billion, three hundred ten million, one hundred thirty thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 29 32 40 50 58 80 100 116 145 160 200 232 290 400 464 580 725 800 928 1160 1450 2320 2900 4640 5800 11600 23200 1004747 2009494 4018988 5023735 8037976 10047470 16075952 20094940 25118675 29137663 32151904 40189880 50237350 58275326 80379760 100474700 116550652 145688315 160759520 200949400 233101304 291376630 401898800 466202608 582753260 728441575 803797600 932405216 1165506520 1456883150 2331013040 2913766300 4662026080 5827532600 11655065200 23310130400