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130440215000 = 235426088043
BaseRepresentation
bin111100101111011010…
…1111011100111011000
3110110200121021111002002
41321132311323213120
54114120143340000
6135531242300132
712265300351004
oct1713665734730
9413617244062
10130440215000
1150357112187
12213441b7648
13c3ba156794
146455b3b704
1535d681c8d5
hex1e5ed7b9d8

130440215000 has 40 divisors (see below), whose sum is σ = 305621435460. Its totient is φ = 52176084000.

The previous prime is 130440214997. The next prime is 130440215051. The reversal of 130440215000 is 512044031.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 13039022 + ... + 13049021.

Almost surely, 2130440215000 is an apocalyptic number.

130440215000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130440215000 is an abundant number, since it is smaller than the sum of its proper divisors (175181220460).

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

130440215000 is an equidigital number, since it uses as much as digits as its factorization.

130440215000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26088069 (or 26088050 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 130440215000 its reverse (512044031), we get a palindrome (130952259031).

The spelling of 130440215000 in words is "one hundred thirty billion, four hundred forty million, two hundred fifteen thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 200 250 500 625 1000 1250 2500 5000 26088043 52176086 104352172 130440215 208704344 260880430 521760860 652201075 1043521720 1304402150 2608804300 3261005375 5217608600 6522010750 13044021500 16305026875 26088043000 32610053750 65220107500 130440215000