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23434211500 = 225376695489
BaseRepresentation
bin10101110100110010…
…011011000010101100
32020111011121021210021
4111310302123002230
5340443124232000
614433204251524
71456502340220
oct256462330254
966434537707
1023434211500
119a36001a47
1246600a0ba4
13229601b64b
1411c443a780
159224d011a
hex574c9b0ac

23434211500 has 48 divisors (see below), whose sum is σ = 58491800640. Its totient is φ = 8034585600.

The previous prime is 23434211497. The next prime is 23434211513. The reversal of 23434211500 is 511243432.

It is a Harshad number since it is a multiple of its sum of digits (25).

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 15 ways as a sum of consecutive naturals, for example, 3344245 + ... + 3351244.

It is an arithmetic number, because the mean of its divisors is an integer number (1218579180).

Almost surely, 223434211500 is an apocalyptic number.

23434211500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23434211500 is an abundant number, since it is smaller than the sum of its proper divisors (35057589140).

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

23434211500 is a wasteful number, since it uses less digits than its factorization.

23434211500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6695515 (or 6695503 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 23434211500 its reverse (511243432), we get a palindrome (23945454932).

The spelling of 23434211500 in words is "twenty-three billion, four hundred thirty-four million, two hundred eleven thousand, five hundred".

Divisors: 1 2 4 5 7 10 14 20 25 28 35 50 70 100 125 140 175 250 350 500 700 875 1750 3500 6695489 13390978 26781956 33477445 46868423 66954890 93736846 133909780 167387225 187473692 234342115 334774450 468684230 669548900 836936125 937368460 1171710575 1673872250 2343421150 3347744500 4686842300 5858552875 11717105750 23434211500