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23401224420 = 22357232422487
BaseRepresentation
bin10101110010110100…
…100101100011100100
32020101212112101000120
4111302310211203210
5340411203140140
614430025241540
71455622061040
oct256264454344
966355471016
1023401224420
119a194212a2
1246510332b0
13228c23bb72
1411bdcd1020
1591e6661d0
hex572d258e4

23401224420 has 96 divisors (see below), whose sum is σ = 78139772928. Its totient is φ = 5116290432.

The previous prime is 23401224419. The next prime is 23401224433. The reversal of 23401224420 is 2442210432.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1201584 + ... + 1220903.

It is an arithmetic number, because the mean of its divisors is an integer number (813955968).

Almost surely, 223401224420 is an apocalyptic number.

23401224420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23401224420 is an abundant number, since it is smaller than the sum of its proper divisors (54738548508).

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

23401224420 is a wasteful number, since it uses less digits than its factorization.

23401224420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2422529 (or 2422527 counting only the distinct ones).

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

Adding to 23401224420 its reverse (2442210432), we get a palindrome (25843434852).

The spelling of 23401224420 in words is "twenty-three billion, four hundred one million, two hundred twenty-four thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 23 28 30 35 42 46 60 69 70 84 92 105 115 138 140 161 210 230 276 322 345 420 460 483 644 690 805 966 1380 1610 1932 2415 3220 4830 9660 2422487 4844974 7267461 9689948 12112435 14534922 16957409 24224870 29069844 33914818 36337305 48449740 50872227 55717201 67829636 72674610 84787045 101744454 111434402 145349220 167151603 169574090 203488908 222868804 254361135 278586005 334303206 339148180 390020407 508722270 557172010 668606412 780040814 835758015 1017444540 1114344020 1170061221 1560081628 1671516030 1950102035 2340122442 3343032060 3900204070 4680244884 5850306105 7800408140 11700612210 23401224420