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161036470103 = 413927718783
BaseRepresentation
bin1001010111111010000…
…1011000011101010111
3120101122220112021200112
42111332201120131113
510114300314020403
6201551254233235
714430430260635
oct2257641303527
9511586467615
10161036470103
1162327986523
122726295581b
1312254c05a42
147b19436355
1542c79749d8
hex257e858757

161036470103 has 4 divisors (see below), whose sum is σ = 164964188928. Its totient is φ = 157108751280.

The previous prime is 161036470097. The next prime is 161036470187. The reversal of 161036470103 is 301074630161.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-161036470103 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 161036470103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161036470193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1963859351 + ... + 1963859432.

It is an arithmetic number, because the mean of its divisors is an integer number (41241047232).

Almost surely, 2161036470103 is an apocalyptic number.

161036470103 is a deficient number, since it is larger than the sum of its proper divisors (3927718825).

161036470103 is an equidigital number, since it uses as much as digits as its factorization.

161036470103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3927718824.

The product of its (nonzero) digits is 9072, while the sum is 32.

The spelling of 161036470103 in words is "one hundred sixty-one billion, thirty-six million, four hundred seventy thousand, one hundred three".

Divisors: 1 41 3927718783 161036470103