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120013031320 = 23571322536201
BaseRepresentation
bin110111111000101010…
…1011000011110011000
3102110202220200200002221
41233301111120132120
53431241314000240
6131044435433424
711446014635410
oct1576125303630
9373686620087
10120013031320
1146996255806
121b314155874
13b417aca900
145b46d79640
1531c61cba4a
hex1bf1558798

120013031320 has 96 divisors (see below), whose sum is σ = 334169975520. Its totient is φ = 37982131200.

The previous prime is 120013031287. The next prime is 120013031353. The reversal of 120013031320 is 23130310021.

It is an interprime number because it is at equal distance from previous prime (120013031287) and next prime (120013031353).

It is a junction number, because it is equal to n+sod(n) for n = 120013031294 and 120013031303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1220781 + ... + 1315420.

It is an arithmetic number, because the mean of its divisors is an integer number (3480937245).

Almost surely, 2120013031320 is an apocalyptic number.

120013031320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120013031320 is an abundant number, since it is smaller than the sum of its proper divisors (214156944200).

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

120013031320 is a wasteful number, since it uses less digits than its factorization.

120013031320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2536245 (or 2536228 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 120013031320 its reverse (23130310021), we get a palindrome (143143341341).

The spelling of 120013031320 in words is "one hundred twenty billion, thirteen million, thirty-one thousand, three hundred twenty".

Divisors: 1 2 4 5 7 8 10 13 14 20 26 28 35 40 52 56 65 70 91 104 130 140 169 182 260 280 338 364 455 520 676 728 845 910 1183 1352 1690 1820 2366 3380 3640 4732 5915 6760 9464 11830 23660 47320 2536201 5072402 10144804 12681005 17753407 20289608 25362010 32970613 35506814 50724020 65941226 71013628 88767035 101448040 131882452 142027256 164853065 177534070 230794291 263764904 329706130 355068140 428617969 461588582 659412260 710136280 857235938 923177164 1153971455 1318824520 1714471876 1846354328 2143089845 2307942910 3000325783 3428943752 4286179690 4615885820 6000651566 8572359380 9231771640 12001303132 15001628915 17144718760 24002606264 30003257830 60006515660 120013031320