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141681720020 = 2257084086001
BaseRepresentation
bin1000001111110011100…
…0110111101011010100
3111112201001011002220212
42003330320313223110
54310131010020040
6145030534544552
713144001515061
oct2037470675324
9445631132825
10141681720020
11550a57012a5
1223560b08158
131048c10acb9
146c00b15c68
153a436b3d65
hex20fce37ad4

141681720020 has 12 divisors (see below), whose sum is σ = 297531612084. Its totient is φ = 56672688000.

The previous prime is 141681720017. The next prime is 141681720029. The reversal of 141681720020 is 20027186141.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 50354462404 + 91327257616 = 224398^2 + 302204^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141681720029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3542042981 + ... + 3542043020.

It is an arithmetic number, because the mean of its divisors is an integer number (24794301007).

Almost surely, 2141681720020 is an apocalyptic number.

141681720020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

141681720020 is an abundant number, since it is smaller than the sum of its proper divisors (155849892064).

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

141681720020 is a wasteful number, since it uses less digits than its factorization.

141681720020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7084086010 (or 7084086008 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 32.

The spelling of 141681720020 in words is "one hundred forty-one billion, six hundred eighty-one million, seven hundred twenty thousand, twenty".

Divisors: 1 2 4 5 10 20 7084086001 14168172002 28336344004 35420430005 70840860010 141681720020