Search a number
-
+
23051113434 = 2334779114967
BaseRepresentation
bin10101011101111101…
…000001001111011010
32012111110201220001000
4111131331001033122
5334202041112214
614331201205430
71444141142226
oct253575011732
965443656030
1023051113434
119859830778
124573930876
1322348472bb
1411895d5786
158eda59809
hex55df413da

23051113434 has 64 divisors (see below), whose sum is σ = 52977254400. Its totient is φ = 7424964144.

The previous prime is 23051113411. The next prime is 23051113447. The reversal of 23051113434 is 43431115032.

It is a happy number.

23051113434 is a `hidden beast` number, since 2 + 305 + 1 + 11 + 343 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 23051113398 and 23051113407.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 143019 + ... + 257985.

It is an arithmetic number, because the mean of its divisors is an integer number (827769600).

Almost surely, 223051113434 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23051113434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26488627200).

23051113434 is an abundant number, since it is smaller than the sum of its proper divisors (29926140966).

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

23051113434 is a wasteful number, since it uses less digits than its factorization.

23051113434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115104 (or 115098 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 23051113434 its reverse (43431115032), we get a palindrome (66482228466).

The spelling of 23051113434 in words is "twenty-three billion, fifty-one million, one hundred thirteen thousand, four hundred thirty-four".

Divisors: 1 2 3 6 9 18 27 47 54 79 94 141 158 237 282 423 474 711 846 1269 1422 2133 2538 3713 4266 7426 11139 22278 33417 66834 100251 114967 200502 229934 344901 689802 1034703 2069406 3104109 5403449 6208218 9082393 10806898 16210347 18164786 27247179 32420694 48631041 54494358 81741537 97262082 145893123 163483074 245224611 291786246 426872471 490449222 853744942 1280617413 2561234826 3841852239 7683704478 11525556717 23051113434