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23449023678 = 23171072148527
BaseRepresentation
bin10101110101101010…
…111011010010111110
32020112012110211021110
4111311222323102332
5341010422224203
614434453542450
71460042261343
oct256552732276
966465424243
1023449023678
119a433a9613
124665044a26
132299106652
1411c63b47ca
15923958d03
hex575abb4be

23449023678 has 32 divisors (see below), whose sum is σ = 50120861184. Its totient is φ = 7287800192.

The previous prime is 23449023671. The next prime is 23449023691. The reversal of 23449023678 is 87632094432.

It is a super-2 number, since 2×234490236782 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23449023671) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1063350 + ... + 1085177.

It is an arithmetic number, because the mean of its divisors is an integer number (1566276912).

Almost surely, 223449023678 is an apocalyptic number.

23449023678 is an abundant number, since it is smaller than the sum of its proper divisors (26671837506).

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

23449023678 is a wasteful number, since it uses less digits than its factorization.

23449023678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2148656.

The product of its (nonzero) digits is 1741824, while the sum is 48.

The spelling of 23449023678 in words is "twenty-three billion, four hundred forty-nine million, twenty-three thousand, six hundred seventy-eight".

Divisors: 1 2 3 6 17 34 51 102 107 214 321 642 1819 3638 5457 10914 2148527 4297054 6445581 12891162 36524959 73049918 109574877 219149754 229892389 459784778 689677167 1379354334 3908170613 7816341226 11724511839 23449023678