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139431050000 = 245511793209
BaseRepresentation
bin1000000111011010111…
…1001111101100010000
3111022220012010020001222
42001312233033230100
54241023322100000
6144015335144212
713034142240644
oct2016657175420
9438805106058
10139431050000
1154150213630
1223033215068
13101c0a482a8
146a69c48c24
153960cd8a85
hex2076bcfb10

139431050000 has 240 divisors, whose sum is σ = 373138617600. Its totient is φ = 50044800000.

The previous prime is 139431049999. The next prime is 139431050069. The reversal of 139431050000 is 50134931.

139431050000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 43448396 + ... + 43451604.

It is an arithmetic number, because the mean of its divisors is an integer number (1554744240).

Almost surely, 2139431050000 is an apocalyptic number.

139431050000 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 139431050000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (186569308800).

139431050000 is an abundant number, since it is smaller than the sum of its proper divisors (233707567600).

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

139431050000 is an equidigital number, since it uses as much as digits as its factorization.

139431050000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3332 (or 3306 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 26.

Adding to 139431050000 its reverse (50134931), we get a palindrome (139481184931).

The spelling of 139431050000 in words is "one hundred thirty-nine billion, four hundred thirty-one million, fifty thousand".