Search a number
-
+
23789738040 = 2335233850849
BaseRepresentation
bin10110001001111110…
…101001100000111000
32021101221120220111220
4112021332221200320
5342210133104130
614532344352040
71501350302565
oct261176514070
967357526456
1023789738040
11a0a8761332
12473b175620
13232188b193
14121974586c
1594380b410
hex589fa9838

23789738040 has 64 divisors (see below), whose sum is σ = 71675604000. Its totient is φ = 6316695552.

The previous prime is 23789738029. The next prime is 23789738053. The reversal of 23789738040 is 4083798732.

It is a congruent number.

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, 397465 + ... + 453384.

Almost surely, 223789738040 is an apocalyptic number.

23789738040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23789738040 is an abundant number, since it is smaller than the sum of its proper divisors (47885865960).

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

23789738040 is a wasteful number, since it uses less digits than its factorization.

23789738040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851096 (or 851092 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 51.

The spelling of 23789738040 in words is "twenty-three billion, seven hundred eighty-nine million, seven hundred thirty-eight thousand, forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 233 466 699 932 1165 1398 1864 2330 2796 3495 4660 5592 6990 9320 13980 27960 850849 1701698 2552547 3403396 4254245 5105094 6806792 8508490 10210188 12762735 17016980 20420376 25525470 34033960 51050940 102101880 198247817 396495634 594743451 792991268 991239085 1189486902 1585982536 1982478170 2378973804 2973717255 3964956340 4757947608 5947434510 7929912680 11894869020 23789738040