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1130421523 = 72112097257
BaseRepresentation
bin100001101100000…
…1101110100010011
32220210002100210211
41003120031310103
54303341442043
6304100504551
740004265400
oct10330156423
92823070724
101130421523
11530103470
122766ab157
1315027279a
14aa1bb2a7
1569394a9d
hex4360dd13

1130421523 has 12 divisors (see below), whose sum is σ = 1434524472. Its totient is φ = 880847520.

The previous prime is 1130421469. The next prime is 1130421527. The reversal of 1130421523 is 3251240311.

It is a happy number.

It is not a de Polignac number, because 1130421523 - 29 = 1130421011 is a prime.

It is a super-3 number, since 3×11304215233 (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1130421494 and 1130421503.

It is not an unprimeable number, because it can be changed into a prime (1130421527) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1048090 + ... + 1049167.

It is an arithmetic number, because the mean of its divisors is an integer number (119543706).

Almost surely, 21130421523 is an apocalyptic number.

1130421523 is a deficient number, since it is larger than the sum of its proper divisors (304102949).

1130421523 is a wasteful number, since it uses less digits than its factorization.

1130421523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2097282 (or 2097275 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1130421523 is about 33621.7418198403. The cubic root of 1130421523 is about 1041.7099345128.

Adding to 1130421523 its reverse (3251240311), we get a palindrome (4381661834).

The spelling of 1130421523 in words is "one billion, one hundred thirty million, four hundred twenty-one thousand, five hundred twenty-three".

Divisors: 1 7 11 49 77 539 2097257 14680799 23069827 102765593 161488789 1130421523