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1320430124 = 221321953299
BaseRepresentation
bin100111010110100…
…0010101000101100
310102000121210121102
41032231002220230
510201012230444
6335005222232
744502320336
oct11655025054
93360553542
101320430124
11618391772
1230a261978
1318073c100
14c751c456
157adc884e
hex4eb42a2c

1320430124 has 18 divisors (see below), whose sum is σ = 2502177300. Its totient is φ = 609428976.

The previous prime is 1320430123. The next prime is 1320430147. The reversal of 1320430124 is 4210340231.

It is a junction number, because it is equal to n+sod(n) for n = 1320430096 and 1320430105.

It is not an unprimeable number, because it can be changed into a prime (1320430121) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 975974 + ... + 977325.

It is an arithmetic number, because the mean of its divisors is an integer number (139009850).

Almost surely, 21320430124 is an apocalyptic number.

It is an amenable number.

1320430124 is a deficient number, since it is larger than the sum of its proper divisors (1181747176).

1320430124 is a wasteful number, since it uses less digits than its factorization.

1320430124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1953329 (or 1953314 counting only the distinct ones).

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

The square root of 1320430124 is about 36337.7231537696. The cubic root of 1320430124 is about 1097.0804463823.

Adding to 1320430124 its reverse (4210340231), we get a palindrome (5530770355).

The spelling of 1320430124 in words is "one billion, three hundred twenty million, four hundred thirty thousand, one hundred twenty-four".

Divisors: 1 2 4 13 26 52 169 338 676 1953299 3906598 7813196 25392887 50785774 101571548 330107531 660215062 1320430124