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23043618030 = 2356122356467
BaseRepresentation
bin10101011101100000…
…011011010011101110
32012110221122002021110
4111131200123103232
5334143131234110
614330332412450
71444020343566
oct253540332356
965427562243
1023043618030
119855581324
124571317126
132233121754
141188603da6
158ed078a20
hex55d81b4ee

23043618030 has 64 divisors (see below), whose sum is σ = 56464386048. Its totient is φ = 6017016960.

The previous prime is 23043618007. The next prime is 23043618043. The reversal of 23043618030 is 3081634032.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 379857 + ... + 436323.

It is an arithmetic number, because the mean of its divisors is an integer number (882256032).

Almost surely, 223043618030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23043618030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28232193024).

23043618030 is an abundant number, since it is smaller than the sum of its proper divisors (33420768018).

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

23043618030 is a wasteful number, since it uses less digits than its factorization.

23043618030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56761.

The product of its (nonzero) digits is 10368, while the sum is 30.

The spelling of 23043618030 in words is "twenty-three billion, forty-three million, six hundred eighteen thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 61 122 183 223 305 366 446 610 669 915 1115 1338 1830 2230 3345 6690 13603 27206 40809 56467 68015 81618 112934 136030 169401 204045 282335 338802 408090 564670 847005 1694010 3444487 6888974 10333461 12592141 17222435 20666922 25184282 34444870 37776423 51667305 62960705 75552846 103334610 125921410 188882115 377764230 768120601 1536241202 2304361803 3840603005 4608723606 7681206010 11521809015 23043618030