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36031912020 = 22345132373557
BaseRepresentation
bin100001100011101010…
…110101100001010100
310110000010101210010000
4201203222311201110
51042243132141040
624315224531300
72413622125116
oct414352654124
9113003353100
1036031912020
1114310090895
126b97020b30
133522c55200
141a5b5a33b6
15e0d467130
hex863ab5854

36031912020 has 360 divisors, whose sum is σ = 125740531224. Its totient is φ = 8627254272.

The previous prime is 36031911973. The next prime is 36031912031. The reversal of 36031912020 is 2021913063.

36031912020 is a `hidden beast` number, since 3 + 603 + 19 + 1 + 20 + 20 = 666.

It can be written as a sum of positive squares in 12 ways, for example, as 20001313476 + 16030598544 = 141426^2 + 126612^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 10128082 + ... + 10131638.

Almost surely, 236031912020 is an apocalyptic number.

36031912020 is a gapful number since it is divisible by the number (30) 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 36031912020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62870265612).

36031912020 is an abundant number, since it is smaller than the sum of its proper divisors (89708619204).

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

36031912020 is a wasteful number, since it uses less digits than its factorization.

36031912020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3641 (or 3617 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The spelling of 36031912020 in words is "thirty-six billion, thirty-one million, nine hundred twelve thousand, twenty".