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42949672895 = 5123715494483
BaseRepresentation
bin100111111111111111…
…111111111110111111
311002212020101110000202
4213333333333332333
51200430104013040
631421504314115
73050222124143
oct477777777677
9132766343022
1042949672895
111723aa74a38
1283a791293b
1340861c583c
142116233223
1511b5939015
hex9ffffffbf

42949672895 has 16 divisors (see below), whose sum is σ = 51626085600. Its totient is φ = 34302144384.

The previous prime is 42949672879. The next prime is 42949672897. The reversal of 42949672895 is 59827694924.

It is a cyclic number.

It is not a de Polignac number, because 42949672895 - 24 = 42949672879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42949672897) 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, 9578324 + ... + 9582806.

It is an arithmetic number, because the mean of its divisors is an integer number (3226630350).

Almost surely, 242949672895 is an apocalyptic number.

42949672895 is a deficient number, since it is larger than the sum of its proper divisors (8676412705).

42949672895 is a wasteful number, since it uses less digits than its factorization.

42949672895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7274.

The product of its digits is 78382080, while the sum is 65.

The spelling of 42949672895 in words is "forty-two billion, nine hundred forty-nine million, six hundred seventy-two thousand, eight hundred ninety-five".

Divisors: 1 5 1237 1549 4483 6185 7745 22415 1916113 5545471 6944167 9580565 27727355 34720835 8589934579 42949672895