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2141008478 = 273722918049
BaseRepresentation
bin111111110011101…
…0011001001011110
312112012200111111022
41333213103021132
513341044232403
6552241124142
7104025162140
oct17747231136
95465614438
102141008478
119a95a83a4
124b9029652
1328174872b
141644c2c90
15c7e67d38
hex7f9d325e

2141008478 has 32 divisors (see below), whose sum is σ = 3786168000. Its totient is φ = 888827904.

The previous prime is 2141008477. The next prime is 2141008481. The reversal of 2141008478 is 8748001412.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2141008477) 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, 109598 + ... + 127646.

It is an arithmetic number, because the mean of its divisors is an integer number (118317750).

Almost surely, 22141008478 is an apocalyptic number.

2141008478 is a deficient number, since it is larger than the sum of its proper divisors (1645159522).

2141008478 is a wasteful number, since it uses less digits than its factorization.

2141008478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18324.

The product of its (nonzero) digits is 14336, while the sum is 35.

The square root of 2141008478 is about 46271.0328175199. The cubic root of 2141008478 is about 1288.8611381653.

The spelling of 2141008478 in words is "two billion, one hundred forty-one million, eight thousand, four hundred seventy-eight".

Divisors: 1 2 7 14 37 74 229 259 458 518 1603 3206 8473 16946 18049 36098 59311 118622 126343 252686 667813 1335626 4133221 4674691 8266442 9349382 28932547 57865094 152929177 305858354 1070504239 2141008478