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2086593621 = 37523718973
BaseRepresentation
bin111110001011110…
…1110010001010101
312101102021221100020
41330113232101111
513233131443441
6543014535353
7102464516220
oct17427562125
95342257306
102086593621
11980911742
124a2967559
132733a59a8
1415b19a5b7
15c32b9e66
hex7c5ee455

2086593621 has 16 divisors (see below), whose sum is σ = 3180345984. Its totient is φ = 1192048704.

The previous prime is 2086593611. The next prime is 2086593631. The reversal of 2086593621 is 1263956802.

It is an interprime number because it is at equal distance from previous prime (2086593611) and next prime (2086593631).

It is not a de Polignac number, because 2086593621 - 27 = 2086593493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2086593611) 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, 100491 + ... + 119463.

It is an arithmetic number, because the mean of its divisors is an integer number (198771624).

Almost surely, 22086593621 is an apocalyptic number.

2086593621 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2086593621 is a deficient number, since it is larger than the sum of its proper divisors (1093752363).

2086593621 is a wasteful number, since it uses less digits than its factorization.

2086593621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24220.

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 2086593621 is about 45679.2471588576. The cubic root of 2086593621 is about 1277.8482772022.

The spelling of 2086593621 in words is "two billion, eighty-six million, five hundred ninety-three thousand, six hundred twenty-one".

Divisors: 1 3 7 21 5237 15711 18973 36659 56919 109977 132811 398433 99361601 298084803 695531207 2086593621