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120108804 = 223194312251
BaseRepresentation
bin1110010100010…
…11011100000100
322101000011022020
413022023130010
5221221440204
615530203140
72655623304
oct712133404
9271004266
10120108804
1161886582
12342834b0
131bb645ca
1411d47604
15a827bd9
hex728b704

120108804 has 48 divisors (see below), whose sum is σ = 301889280. Its totient is φ = 37044000.

The previous prime is 120108799. The next prime is 120108809. The reversal of 120108804 is 408801021.

It is an interprime number because it is at equal distance from previous prime (120108799) and next prime (120108809).

It is a super-2 number, since 2×1201088042 = 28852249596620832, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (120108809) 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, 3679 + ... + 15929.

It is an arithmetic number, because the mean of its divisors is an integer number (6289360).

Almost surely, 2120108804 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 120108804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150944640).

120108804 is an abundant number, since it is smaller than the sum of its proper divisors (181780476).

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

120108804 is a wasteful number, since it uses less digits than its factorization.

120108804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12320 (or 12318 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 24.

The square root of 120108804 is about 10959.4162253288. The cubic root of 120108804 is about 493.3914441327.

Adding to 120108804 its reverse (408801021), we get a palindrome (528909825).

The spelling of 120108804 in words is "one hundred twenty million, one hundred eight thousand, eight hundred four".

Divisors: 1 2 3 4 6 12 19 38 43 57 76 86 114 129 172 228 258 516 817 1634 2451 3268 4902 9804 12251 24502 36753 49004 73506 147012 232769 465538 526793 698307 931076 1053586 1396614 1580379 2107172 2793228 3160758 6321516 10009067 20018134 30027201 40036268 60054402 120108804