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2131354019 = 38316213433
BaseRepresentation
bin111111100001001…
…1110000110100011
312111112112000001202
41333002132012203
513331111312034
6551254151415
7103550132054
oct17702360643
95445460052
102131354019
119a4103903
124b595256b
1327c748232
141630cc72b
15c71ac47e
hex7f09e1a3

2131354019 has 8 divisors (see below), whose sum is σ = 2138860032. Its totient is φ = 2123858880.

The previous prime is 2131354007. The next prime is 2131354021. The reversal of 2131354019 is 9104531312.

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 2131354019 - 24 = 2131354003 is a prime.

It is a super-2 number, since 2×21313540192 = 9085339908614904722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2131353982 and 2131354000.

It is not an unprimeable number, because it can be changed into a prime (2131354319) 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 7 ways as a sum of consecutive naturals, for example, 619127 + ... + 622559.

It is an arithmetic number, because the mean of its divisors is an integer number (267357504).

Almost surely, 22131354019 is an apocalyptic number.

2131354019 is a deficient number, since it is larger than the sum of its proper divisors (7506013).

2131354019 is a wasteful number, since it uses less digits than its factorization.

2131354019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5437.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 2131354019 is about 46166.5898567351. The cubic root of 2131354019 is about 1286.9209298293.

The spelling of 2131354019 in words is "two billion, one hundred thirty-one million, three hundred fifty-four thousand, nineteen".

Divisors: 1 383 1621 3433 620843 1314839 5564893 2131354019