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131430015200000 = 28551114935229
BaseRepresentation
bin11101111000100011101111…
…010111100110101100000000
3122020100120211201220020002202
4131320203233113212230000
5114211322132342400000
61143310040534332332
736453335204305316
oct3570435727465400
9566316751806082
10131430015200000
113897217a230530
12128a80261ba0a8
135844a4974681a
142465364c4c0b6
15102dbe2835dd5
hex7788ef5e6b00

131430015200000 has 216 divisors, whose sum is σ = 357722535386160. Its totient is φ = 47792729600000.

The previous prime is 131430015199961. The next prime is 131430015200009. The reversal of 131430015200000 is 2510034131.

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

It is not an unprimeable number, because it can be changed into a prime (131430015200009) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1332386 + ... + 16267614.

It is an arithmetic number, because the mean of its divisors is an integer number (1656122849010).

Almost surely, 2131430015200000 is an apocalyptic number.

131430015200000 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 131430015200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178861267693080).

131430015200000 is an abundant number, since it is smaller than the sum of its proper divisors (226292520186160).

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

131430015200000 is an frugal number, since it uses more digits than its factorization.

131430015200000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14935281 (or 14935247 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

Adding to 131430015200000 its reverse (2510034131), we get a palindrome (131432525234131).

The spelling of 131430015200000 in words is "one hundred thirty-one trillion, four hundred thirty billion, fifteen million, two hundred thousand".