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2081917502 = 27148708393
BaseRepresentation
bin111110000010111…
…1000101000111110
312101002111100220122
41330011320220332
513230432330002
6542330414542
7102410002220
oct17405705076
95332440818
102081917502
11979208485
124a1291452
13272429462
1415a700410
15c2b946a2
hex7c178a3e

2081917502 has 8 divisors (see below), whose sum is σ = 3569001456. Its totient is φ = 892250352.

The previous prime is 2081917501. The next prime is 2081917531. The reversal of 2081917502 is 2057191802.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2081917501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74354183 + ... + 74354210.

It is an arithmetic number, because the mean of its divisors is an integer number (446125182).

Almost surely, 22081917502 is an apocalyptic number.

2081917502 is a deficient number, since it is larger than the sum of its proper divisors (1487083954).

2081917502 is a wasteful number, since it uses less digits than its factorization.

2081917502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148708402.

The product of its (nonzero) digits is 10080, while the sum is 35.

The square root of 2081917502 is about 45628.0341676036. The cubic root of 2081917502 is about 1276.8929977816.

The spelling of 2081917502 in words is "two billion, eighty-one million, nine hundred seventeen thousand, five hundred two".

Divisors: 1 2 7 14 148708393 297416786 1040958751 2081917502