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140531510000 = 245472594861
BaseRepresentation
bin1000001011100001010…
…1001010101011110000
3111102201212211101101202
42002320111022223300
54300302031310000
6144320445550332
713103334061100
oct2027025125360
9442655741352
10140531510000
1154665412502
122329b8753a8
1310337a2a45b
146b32067200
1539c7710dd5
hex20b854aaf0

140531510000 has 300 divisors, whose sum is σ = 402581476440. Its totient is φ = 47355840000.

The previous prime is 140531509981. The next prime is 140531510051. The reversal of 140531510000 is 15135041.

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 59 ways as a sum of consecutive naturals, for example, 28907570 + ... + 28912430.

Almost surely, 2140531510000 is an apocalyptic number.

140531510000 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 140531510000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (201290738220).

140531510000 is an abundant number, since it is smaller than the sum of its proper divisors (262049966440).

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

140531510000 is an equidigital number, since it uses as much as digits as its factorization.

140531510000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4962 (or 4934 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

Adding to 140531510000 its reverse (15135041), we get a palindrome (140546645041).

The spelling of 140531510000 in words is "one hundred forty billion, five hundred thirty-one million, five hundred ten thousand".