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BaseRepresentation
bin101111011010010111…
…0011010110101100110
3100201210202100201100110
41132310232122311212
53132004434041423
6114435044553450
710233050254131
oct1366456326546
9321722321313
10101816315238
113a1a8723680
12178960b2886
1397a7bc29a1
144cdc383218

101816315238 has 128 divisors (see below), whose sum is σ = 246063744000. Its totient is φ = 27721379840.

The previous prime is 101816315191. The next prime is 101816315297. The reversal of 101816315238 is 832513618101.

It is a junction number, because it is equal to n+sod(n) for n = 101816315196 and 101816315205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2878303 + ... + 2913461.

It is an arithmetic number, because the mean of its divisors is an integer number (1922373000).

Almost surely, 2101816315238 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 101816315238, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123031872000).

101816315238 is an abundant number, since it is smaller than the sum of its proper divisors (144247428762).

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

101816315238 is a wasteful number, since it uses less digits than its factorization.

101816315238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35310.

The product of its (nonzero) digits is 34560, while the sum is 39.

The spelling of 101816315238 in words is "one hundred one billion, eight hundred sixteen million, three hundred fifteen thousand, two hundred thirty-eight".