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2134446687 = 33531491577
BaseRepresentation
bin111111100111001…
…0001001001011111
312111202100010102000
41333032101021133
513332404243222
6551444333343
7103615332432
oct17716211137
95452303360
102134446687
119a592642a
124b69a4253
1328028bb09
14163695819
15c75bd9ac
hex7f39125f

2134446687 has 16 divisors (see below), whose sum is σ = 3221808480. Its totient is φ = 1396115136.

The previous prime is 2134446653. The next prime is 2134446697. The reversal of 2134446687 is 7866444312.

It is not a de Polignac number, because 2134446687 - 223 = 2126058079 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2134446607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 744358 + ... + 747219.

It is an arithmetic number, because the mean of its divisors is an integer number (201363030).

Almost surely, 22134446687 is an apocalyptic number.

2134446687 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

2134446687 is a deficient number, since it is larger than the sum of its proper divisors (1087361793).

2134446687 is a wasteful number, since it uses less digits than its factorization.

2134446687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1491639 (or 1491633 counting only the distinct ones).

The product of its digits is 774144, while the sum is 45.

The square root of 2134446687 is about 46200.0723700732. The cubic root of 2134446687 is about 1287.5430845167.

The spelling of 2134446687 in words is "two billion, one hundred thirty-four million, four hundred forty-six thousand, six hundred eighty-seven".

Divisors: 1 3 9 27 53 159 477 1431 1491577 4474731 13424193 40272579 79053581 237160743 711482229 2134446687