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180371873149 = 1399716998191
BaseRepresentation
bin1010011111111100000…
…0000101110101111101
3122020120102111112022021
42213333000011311331
510423400144420044
6214510043120141
716013532424246
oct2477700056575
9566512445267
10180371873149
116a54a246a66
122ab5a213051
13140169b8630
148a3135bccd
154a5a1b2e84
hex29ff005d7d

180371873149 has 16 divisors (see below), whose sum is σ = 194579660800. Its totient is φ = 166211922240.

The previous prime is 180371873141. The next prime is 180371873153. The reversal of 180371873149 is 941378173081.

It is not a de Polignac number, because 180371873149 - 23 = 180371873141 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 180371873096 and 180371873105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180371873141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22016644 + ... + 22024834.

It is an arithmetic number, because the mean of its divisors is an integer number (12161228800).

Almost surely, 2180371873149 is an apocalyptic number.

It is an amenable number.

180371873149 is a deficient number, since it is larger than the sum of its proper divisors (14207787651).

180371873149 is a wasteful number, since it uses less digits than its factorization.

180371873149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10900.

The product of its (nonzero) digits is 1016064, while the sum is 52.

The spelling of 180371873149 in words is "one hundred eighty billion, three hundred seventy-one million, eight hundred seventy-three thousand, one hundred forty-nine".

Divisors: 1 13 997 1699 8191 12961 22087 106483 1693903 8166427 13916509 22020739 106163551 180914617 13874759473 180371873149