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105420302501 = 145174579743
BaseRepresentation
bin110001000101110001…
…0100010100010100101
3101002002220220020110012
41202023202202202211
53211400044140001
6120232430540005
710421261533463
oct1421342424245
9332086806405
10105420302501
1140788015648
1218521067605
139c3076a927
145160c8d833
152b200152bb
hex188b8a28a5

105420302501 has 8 divisors (see below), whose sum is σ = 105517931904. Its totient is φ = 105322710400.

The previous prime is 105420302479. The next prime is 105420302629. The reversal of 105420302501 is 105203024501.

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 105420302501 - 218 = 105420040357 is a prime.

It is a super-2 number, since 2×1054203025012 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (107420302501) 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, 10815236 + ... + 10824978.

It is an arithmetic number, because the mean of its divisors is an integer number (13189741488).

Almost surely, 2105420302501 is an apocalyptic number.

It is an amenable number.

105420302501 is a deficient number, since it is larger than the sum of its proper divisors (97629403).

105420302501 is an equidigital number, since it uses as much as digits as its factorization.

105420302501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18651.

The product of its (nonzero) digits is 1200, while the sum is 23.

The spelling of 105420302501 in words is "one hundred five billion, four hundred twenty million, three hundred two thousand, five hundred one".

Divisors: 1 1451 7457 9743 10820107 14137093 72653551 105420302501