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120334331440 = 245103107136483
BaseRepresentation
bin111000000010001111…
…1000010111000110000
3102111121022021102000101
41300010133002320300
53432421042101230
6131140354202144
711456665640431
oct1600437027060
9374538242011
10120334331440
11470406582a4
121b3a3883354
13b46954581b
145b778d5488
1531e44e6aca
hex1c047c2e30

120334331440 has 80 divisors (see below), whose sum is σ = 285135821568. Its totient is φ = 47220588288.

The previous prime is 120334331423. The next prime is 120334331441. The reversal of 120334331440 is 44133433021.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×1203343314402 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 120334331399 and 120334331408.

It is not an unprimeable number, because it can be changed into a prime (120334331441) 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, 813439 + ... + 949921.

Almost surely, 2120334331440 is an apocalyptic number.

120334331440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120334331440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142567910784).

120334331440 is an abundant number, since it is smaller than the sum of its proper divisors (164801490128).

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

120334331440 is a wasteful number, since it uses less digits than its factorization.

120334331440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136706 (or 136700 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 120334331440 its reverse (44133433021), we get a palindrome (164467764461).

The spelling of 120334331440 in words is "one hundred twenty billion, three hundred thirty-four million, three hundred thirty-one thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 103 107 206 214 412 428 515 535 824 856 1030 1070 1648 1712 2060 2140 4120 4280 8240 8560 11021 22042 44084 55105 88168 110210 136483 176336 220420 272966 440840 545932 682415 881680 1091864 1364830 2183728 2729660 5459320 10918640 14057749 14603681 28115498 29207362 56230996 58414724 70288745 73018405 112461992 116829448 140577490 146036810 224923984 233658896 281154980 292073620 562309960 584147240 1124619920 1168294480 1504179143 3008358286 6016716572 7520895715 12033433144 15041791430 24066866288 30083582860 60167165720 120334331440