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120553124023 = 1082631113521
BaseRepresentation
bin111000001000110000…
…1101011000010110111
3102112011112222020000101
41300101201223002313
53433343044432043
6131214211454531
711465263434613
oct1602141530267
9375145866011
10120553124023
1147143106412
121b444bb7447
13b4a297c7a7
145b989aa343
15320881424d
hex1c1186b0b7

120553124023 has 4 divisors (see below), whose sum is σ = 120554345808. Its totient is φ = 120551902240.

The previous prime is 120553124009. The next prime is 120553124039. The reversal of 120553124023 is 320421355021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 320421355021 = 1072994592103.

It is a cyclic number.

It is not a de Polignac number, because 120553124023 - 217 = 120552992951 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120553123982 and 120553124000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120553124123) 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, 448498 + ... + 665023.

It is an arithmetic number, because the mean of its divisors is an integer number (30138586452).

Almost surely, 2120553124023 is an apocalyptic number.

120553124023 is a deficient number, since it is larger than the sum of its proper divisors (1221785).

120553124023 is a wasteful number, since it uses less digits than its factorization.

120553124023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1221784.

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 120553124023 its reverse (320421355021), we get a palindrome (440974479044).

The spelling of 120553124023 in words is "one hundred twenty billion, five hundred fifty-three million, one hundred twenty-four thousand, twenty-three".

Divisors: 1 108263 1113521 120553124023