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101731301240 = 2352543282531
BaseRepresentation
bin101111010111110101…
…0000111011101111000
3100201120211101120001212
41132233222013131320
53131321203114430
6114422410502252
710230665535662
oct1365752073570
9321524346055
10101731301240
113a164738378
1217871734988
1397933c834a
144cd0d73532
1529a6222b95
hex17afa87778

101731301240 has 16 divisors (see below), whose sum is σ = 228895427880. Its totient is φ = 40692520480.

The previous prime is 101731301183. The next prime is 101731301257. The reversal of 101731301240 is 42103137101.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1271641226 + ... + 1271641305.

Almost surely, 2101731301240 is an apocalyptic number.

101731301240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101731301240 is an abundant number, since it is smaller than the sum of its proper divisors (127164126640).

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

101731301240 is a wasteful number, since it uses less digits than its factorization.

101731301240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2543282542 (or 2543282538 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 23.

Adding to 101731301240 its reverse (42103137101), we get a palindrome (143834438341).

The spelling of 101731301240 in words is "one hundred one billion, seven hundred thirty-one million, three hundred one thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 40 2543282531 5086565062 10173130124 12716412655 20346260248 25432825310 50865650620 101731301240