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34931825920 = 285234312753
BaseRepresentation
bin100000100010000110…
…010101110100000000
310100011110101121200101
4200202012111310000
51033020021412140
624014130132144
72344433423035
oct404206256400
9110143347611
1034931825920
11138a6117922
12692a721054
1333a90742a4
14199544138c
15d96ab599a
hex822195d00

34931825920 has 144 divisors (see below), whose sum is σ = 87544945152. Its totient is φ = 13329367040.

The previous prime is 34931825917. The next prime is 34931825927. The reversal of 34931825920 is 2952813943.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34931825927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12687264 + ... + 12690016.

It is an arithmetic number, because the mean of its divisors is an integer number (607951008).

Almost surely, 234931825920 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 34931825920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43772472576).

34931825920 is an abundant number, since it is smaller than the sum of its proper divisors (52613119232).

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

34931825920 is a wasteful number, since it uses less digits than its factorization.

34931825920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3228 (or 3214 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 46.

The spelling of 34931825920 in words is "thirty-four billion, nine hundred thirty-one million, eight hundred twenty-five thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 23 32 40 46 64 80 92 115 128 160 184 230 256 320 368 431 460 640 736 862 920 1280 1472 1724 1840 2155 2753 2944 3448 3680 4310 5506 5888 6896 7360 8620 9913 11012 13765 13792 14720 17240 19826 22024 27530 27584 29440 34480 39652 44048 49565 55060 55168 63319 68960 79304 88096 99130 110120 110336 126638 137920 158608 176192 198260 220240 253276 275840 316595 317216 352384 396520 440480 506552 551680 633190 634432 704768 793040 880960 1013104 1186543 1266380 1268864 1586080 1761920 2026208 2373086 2532760 2537728 3172160 3523840 4052416 4746172 5065520 5932715 6344320 8104832 9492344 10131040 11865430 12688640 16209664 18984688 20262080 23730860 27290489 37969376 40524160 47461720 54580978 75938752 81048320 94923440 109161956 136452445 151877504 189846880 218323912 272904890 303755008 379693760 436647824 545809780 759387520 873295648 1091619560 1518775040 1746591296 2183239120 3493182592 4366478240 6986365184 8732956480 17465912960 34931825920