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120213434 = 21153103099
BaseRepresentation
bin1110010101001…
…00111110111010
322101012110211102
413022210332322
5221233312214
615532331402
72656540325
oct712447672
9271173742
10120213434
1161948150
1234313b62
131bba0113
1411d737bc
15a848bde
hex72a4fba

120213434 has 16 divisors (see below), whose sum is σ = 200426400. Its totient is φ = 53610960.

The previous prime is 120213413. The next prime is 120213461. The reversal of 120213434 is 434312021.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50384 + ... + 52715.

It is an arithmetic number, because the mean of its divisors is an integer number (12526650).

Almost surely, 2120213434 is an apocalyptic number.

120213434 is a deficient number, since it is larger than the sum of its proper divisors (80212966).

120213434 is a wasteful number, since it uses less digits than its factorization.

120213434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103165.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 120213434 is about 10964.1887068766. The cubic root of 120213434 is about 493.5346713903.

Adding to 120213434 its reverse (434312021), we get a palindrome (554525455).

The spelling of 120213434 in words is "one hundred twenty million, two hundred thirteen thousand, four hundred thirty-four".

Divisors: 1 2 11 22 53 106 583 1166 103099 206198 1134089 2268178 5464247 10928494 60106717 120213434