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120380848481 = 463272598503
BaseRepresentation
bin111000000011101000…
…0011111100101100001
3102111201112210201101202
41300013100133211201
53433014444122411
6131145135210545
711461102220555
oct1600720374541
9374645721352
10120380848481
114706493a233
121b3b7376a55
13b4760817ba
145b7db63865
1531e863483b
hex1c0741f961

120380848481 has 4 divisors (see below), whose sum is σ = 120383493312. Its totient is φ = 120378203652.

The previous prime is 120380848463. The next prime is 120380848501. The reversal of 120380848481 is 184848083021.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-120380848481 is a prime.

It is a super-2 number, since 2×1203808484812 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120380848411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1252925 + ... + 1345578.

It is an arithmetic number, because the mean of its divisors is an integer number (30095873328).

Almost surely, 2120380848481 is an apocalyptic number.

It is an amenable number.

120380848481 is a deficient number, since it is larger than the sum of its proper divisors (2644831).

120380848481 is an equidigital number, since it uses as much as digits as its factorization.

120380848481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2644830.

The product of its (nonzero) digits is 393216, while the sum is 47.

The spelling of 120380848481 in words is "one hundred twenty billion, three hundred eighty million, eight hundred forty-eight thousand, four hundred eighty-one".

Divisors: 1 46327 2598503 120380848481