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2087321803151 = 13167961456381
BaseRepresentation
bin11110010111111110000…
…100110001100110001111
321101112202001020001200112
4132113332010301212033
5233144313340200101
64234522530150235
7303542531404364
oct36277604614617
97345661201615
102087321803151
11735256817a52
12298653a2237b
13121aab564c90
1473053bd246b
153946917e6bb
hex1e5fe13198f

2087321803151 has 8 divisors (see below), whose sum is σ = 2261345410464. Its totient is φ = 1915221108960.

The previous prime is 2087321803141. The next prime is 2087321803153. The reversal of 2087321803151 is 1513081237802.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2087321803151 - 222 = 2087317608847 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2087321803099 and 2087321803108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2087321803153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 480726020 + ... + 480730361.

It is an arithmetic number, because the mean of its divisors is an integer number (282668176308).

Almost surely, 22087321803151 is an apocalyptic number.

2087321803151 is a deficient number, since it is larger than the sum of its proper divisors (174023607313).

2087321803151 is a wasteful number, since it uses less digits than its factorization.

2087321803151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961456561.

The product of its (nonzero) digits is 80640, while the sum is 41.

The spelling of 2087321803151 in words is "two trillion, eighty-seven billion, three hundred twenty-one million, eight hundred three thousand, one hundred fifty-one".

Divisors: 1 13 167 2171 961456381 12498932953 160563215627 2087321803151