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2054869942 = 21027434971
BaseRepresentation
bin111101001111010…
…1101001110110110
312022012121012122011
41322132231032312
513202021314232
6535522554434
7101631051316
oct17236551666
95265535564
102054869942
11964a14224
12494208a1a
13269949298
14156c9d446
15c0600547
hex7a7ad3b6

2054869942 has 4 divisors (see below), whose sum is σ = 3082304916. Its totient is φ = 1027434970.

The previous prime is 2054869913. The next prime is 2054869961. The reversal of 2054869942 is 2499684502.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 513717484 + ... + 513717487.

It is an arithmetic number, because the mean of its divisors is an integer number (770576229).

Almost surely, 22054869942 is an apocalyptic number.

2054869942 is a deficient number, since it is larger than the sum of its proper divisors (1027434974).

2054869942 is a wasteful number, since it uses less digits than its factorization.

2054869942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1027434973.

The product of its (nonzero) digits is 1244160, while the sum is 49.

The square root of 2054869942 is about 45330.6733018604. The cubic root of 2054869942 is about 1271.3392246423.

The spelling of 2054869942 in words is "two billion, fifty-four million, eight hundred sixty-nine thousand, nine hundred forty-two".

Divisors: 1 2 1027434971 2054869942