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1230639374378 = 217127285002171
BaseRepresentation
bin10001111010000111110…
…100101010000000101010
311100122111101002121010002
4101322013310222000222
5130130322134440003
62341203052423002
7154624251042101
oct21720764520052
94318441077102
101230639374378
11434a029315a7
1217a60a777a62
138c08328352b
14437c5849038
1522029a0da88
hex11e87d2a02a

1230639374378 has 16 divisors (see below), whose sum is σ = 1969935012864. Its totient is φ = 574564374720.

The previous prime is 1230639374357. The next prime is 1230639374383. The reversal of 1230639374378 is 8734739360321.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142496768 + ... + 142505403.

It is an arithmetic number, because the mean of its divisors is an integer number (123120938304).

Almost surely, 21230639374378 is an apocalyptic number.

1230639374378 is a deficient number, since it is larger than the sum of its proper divisors (739295638486).

1230639374378 is a wasteful number, since it uses less digits than its factorization.

1230639374378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285002317.

The product of its (nonzero) digits is 13716864, while the sum is 56.

The spelling of 1230639374378 in words is "one trillion, two hundred thirty billion, six hundred thirty-nine million, three hundred seventy-four thousand, three hundred seventy-eight".

Divisors: 1 2 17 34 127 254 2159 4318 285002171 570004342 4845036907 9690073814 36195275717 72390551434 615319687189 1230639374378