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120434052523 = 831451012681
BaseRepresentation
bin111000000101001101…
…1011100110110101011
3102111212020220202121211
41300022123130312223
53433122104140043
6131154315413551
711462316361441
oct1601233346653
9374766822554
10120434052523
1147091979214
121b4111542b7
13b4840bc395
145b86c52b91
1531ed143a9d
hex1c0a6dcdab

120434052523 has 4 divisors (see below), whose sum is σ = 121885065288. Its totient is φ = 118983039760.

The previous prime is 120434052499. The next prime is 120434052539. The reversal of 120434052523 is 325250434021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 325250434021 = 541601202281.

It is a cyclic number.

It is not a de Polignac number, because 120434052523 - 225 = 120400498091 is a prime.

It is a super-2 number, since 2×1204340525232 (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 (120434052553) 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, 725506258 + ... + 725506423.

It is an arithmetic number, because the mean of its divisors is an integer number (30471266322).

Almost surely, 2120434052523 is an apocalyptic number.

120434052523 is a deficient number, since it is larger than the sum of its proper divisors (1451012765).

120434052523 is an equidigital number, since it uses as much as digits as its factorization.

120434052523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1451012764.

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 120434052523 its reverse (325250434021), we get a palindrome (445684486544).

The spelling of 120434052523 in words is "one hundred twenty billion, four hundred thirty-four million, fifty-two thousand, five hundred twenty-three".

Divisors: 1 83 1451012681 120434052523