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120010030000 = 245475413169
BaseRepresentation
bin110111111000100100…
…1111011101110110000
3102110202201001012001221
41233301021323232300
53431240031430000
6131044251234424
711445650265250
oct1576111735660
9373681035057
10120010030000
1146994595883
121b313148a14
13b4172b9793
145b467d7960
1531c5cd761a
hex1bf127bbb0

120010030000 has 200 divisors, whose sum is σ = 332783100320. Its totient is φ = 41057280000.

The previous prime is 120010029907. The next prime is 120010030043. The reversal of 120010030000 is 30010021.

It is a tau number, because it is divible by the number of its divisors (200).

It is a Harshad number since it is a multiple of its sum of digits (7).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 37868416 + ... + 37871584.

Almost surely, 2120010030000 is an apocalyptic number.

120010030000 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 120010030000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166391550160).

120010030000 is an abundant number, since it is smaller than the sum of its proper divisors (212773070320).

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

120010030000 is an equidigital number, since it uses as much as digits as its factorization.

120010030000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3745 (or 3724 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 7.

Adding to 120010030000 its reverse (30010021), we get a palindrome (120040040021).

The spelling of 120010030000 in words is "one hundred twenty billion, ten million, thirty thousand".