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103010161 = 199517639
BaseRepresentation
bin1100010001111…
…00111101110001
321011211110101011
412020330331301
5202332311121
614115510521
72360400112
oct610747561
9234743334
10103010161
1153168071
122a5b8441
1318458977
14d976209
15909b7e1
hex623cf71

103010161 has 4 divisors (see below), whose sum is σ = 103528000. Its totient is φ = 102492324.

The previous prime is 103010143. The next prime is 103010189. The reversal of 103010161 is 161010301.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 161010301 = 451335677.

It is a cyclic number.

It is not a de Polignac number, because 103010161 - 25 = 103010129 is a prime.

It is a super-2 number, since 2×1030101612 = 21222186538491842, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103010561) 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, 258621 + ... + 259018.

It is an arithmetic number, because the mean of its divisors is an integer number (25882000).

Almost surely, 2103010161 is an apocalyptic number.

It is an amenable number.

103010161 is a deficient number, since it is larger than the sum of its proper divisors (517839).

103010161 is an equidigital number, since it uses as much as digits as its factorization.

103010161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517838.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 103010161 is about 10149.3921492866. The cubic root of 103010161 is about 468.7702285552.

Adding to 103010161 its reverse (161010301), we get a palindrome (264020462).

The spelling of 103010161 in words is "one hundred three million, ten thousand, one hundred sixty-one".

Divisors: 1 199 517639 103010161