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23405104030304 = 2517211632176121
BaseRepresentation
bin1010101001001011011001…
…11010010110001001100000
310001212111122221102202102002
411110211230322112021200
511031432123112432204
6121440053434543132
74633651203513563
oct524455472261140
9101774587382362
1023405104030304
11750405a067677
122760095b97aa8
13100a126a05939
145acb551384da
152a8c4912891e
hex15496ce96260

23405104030304 has 72 divisors (see below), whose sum is σ = 48990869200728. Its totient is φ = 11004691066880.

The previous prime is 23405104030291. The next prime is 23405104030309. The reversal of 23405104030304 is 40303040150432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23405104030309) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9667364 + ... + 11843484.

It is an arithmetic number, because the mean of its divisors is an integer number (680428738899).

Almost surely, 223405104030304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23405104030304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24495434600364).

23405104030304 is an abundant number, since it is smaller than the sum of its proper divisors (25585765170424).

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

23405104030304 is a wasteful number, since it uses less digits than its factorization.

23405104030304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2177328 (or 2177303 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 23405104030304 its reverse (40303040150432), we get a palindrome (63708144180736).

The spelling of 23405104030304 in words is "twenty-three trillion, four hundred five billion, one hundred four million, thirty thousand, three hundred four".

Divisors: 1 2 4 8 16 17 32 34 68 136 272 289 544 578 1156 1163 2312 2326 4624 4652 9248 9304 18608 19771 37216 39542 79084 158168 316336 336107 632672 672214 1344428 2176121 2688856 4352242 5377712 8704484 10755424 17408968 34817936 36994057 69635872 73988114 147976228 295952456 591904912 628898969 1183809824 1257797938 2515595876 2530828723 5031191752 5061657446 10062383504 10123314892 20124767008 20246629784 40493259568 43024088291 80986519136 86048176582 172096353164 344192706328 688385412656 731409500947 1376770825312 1462819001894 2925638003788 5851276007576 11702552015152 23405104030304