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1131792541 = 11297394801
BaseRepresentation
bin100001101110101…
…1100100010011101
32220212200000111021
41003131130202131
54304214330131
6304150124141
740022035465
oct10335344235
92825600437
101131792541
1153095a540
12277050651
13150632839
14aa456ba5
1569565e11
hex4375c89d

1131792541 has 16 divisors (see below), whose sum is σ = 1279252800. Its totient is φ = 991872000.

The previous prime is 1131792523. The next prime is 1131792553. The reversal of 1131792541 is 1452971311.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1131792541 - 29 = 1131792029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1131792497 and 1131792506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131792521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 233341 + ... + 238141.

It is an arithmetic number, because the mean of its divisors is an integer number (79953300).

Almost surely, 21131792541 is an apocalyptic number.

1131792541 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1131792541 is a deficient number, since it is larger than the sum of its proper divisors (147460259).

1131792541 is a wasteful number, since it uses less digits than its factorization.

1131792541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5580.

The product of its digits is 7560, while the sum is 34.

The square root of 1131792541 is about 33642.1245018801. The cubic root of 1131792541 is about 1042.1309061114.

The spelling of 1131792541 in words is "one billion, one hundred thirty-one million, seven hundred ninety-two thousand, five hundred forty-one".

Divisors: 1 11 29 319 739 4801 8129 21431 52811 139229 235741 1531519 3547939 39027329 102890231 1131792541