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BaseRepresentation
bin11101011110100011101…
…001001000101001111010
321011122121210000100012122
4131132203221020221322
5231142040304102403
64150325434441242
7266231054651564
oct35364351105172
97148553010178
102025675065978
117110a1846983
1228870a593222
131190358b9ac5
1470086760334
1537a5c099838
hex1d7a3a48a7a

2025675065978 has 16 divisors (see below), whose sum is σ = 3045133171080. Its totient is φ = 1010632773696.

The previous prime is 2025675065959. The next prime is 2025675066031. The reversal of 2025675065978 is 8795605765202.

It can be written as a sum of positive squares in 4 ways, for example, as 2025546629089 + 128436889 = 1423217^2 + 11333^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2025675065978.

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, 1411400 + ... + 2458332.

Almost surely, 22025675065978 is an apocalyptic number.

2025675065978 is a deficient number, since it is larger than the sum of its proper divisors (1019458105102).

2025675065978 is a wasteful number, since it uses less digits than its factorization.

2025675065978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1049041.

The product of its (nonzero) digits is 63504000, while the sum is 62.

The spelling of 2025675065978 in words is "two trillion, twenty-five billion, six hundred seventy-five million, sixty-five thousand, nine hundred seventy-eight".