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1020168863 = 7314701239
BaseRepresentation
bin111100110011101…
…000101010011111
32122002121221120222
4330303220222133
54042130400423
6245121431555
734165202150
oct7463505237
92562557528
101020168863
11483949a6a
1224579b5bb
1313347c41c
14996bb927
155e8673c8
hex3cce8a9f

1020168863 has 8 divisors (see below), whose sum is σ = 1203517440. Its totient is φ = 846222840.

The previous prime is 1020168839. The next prime is 1020168883. The reversal of 1020168863 is 3688610201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1020168863 - 28 = 1020168607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020168803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2350403 + ... + 2350836.

It is an arithmetic number, because the mean of its divisors is an integer number (150439680).

Almost surely, 21020168863 is an apocalyptic number.

1020168863 is a deficient number, since it is larger than the sum of its proper divisors (183348577).

1020168863 is an equidigital number, since it uses as much as digits as its factorization.

1020168863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4701277.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 1020168863 is about 31940.0823887478. The cubic root of 1020168863 is about 1006.6782559494.

The spelling of 1020168863 in words is "one billion, twenty million, one hundred sixty-eight thousand, eight hundred sixty-three".

Divisors: 1 7 31 217 4701239 32908673 145738409 1020168863