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1054020513 = 371310736083
BaseRepresentation
bin111110110100110…
…001001110100001
32201110022210022210
4332310301032201
54124312124023
6252331152333
735056012050
oct7664611641
92643283283
101054020513
114a0a70237
12254ba56a9
1313a4a25a0
149ddb0397
1562802593
hex3ed313a1

1054020513 has 32 divisors (see below), whose sum is σ = 1745888256. Its totient is φ = 550755648.

The previous prime is 1054020511. The next prime is 1054020529. The reversal of 1054020513 is 3150204501.

It is not a de Polignac number, because 1054020513 - 21 = 1054020511 is a prime.

It is a super-2 number, since 2×10540205132 = 2221918483649566338, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 1054020513.

It is not an unprimeable number, because it can be changed into a prime (1054020511) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11170 + ... + 47252.

It is an arithmetic number, because the mean of its divisors is an integer number (54559008).

Almost surely, 21054020513 is an apocalyptic number.

1054020513 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1054020513 is a deficient number, since it is larger than the sum of its proper divisors (691867743).

1054020513 is a wasteful number, since it uses less digits than its factorization.

1054020513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36213.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 1054020513 is about 32465.6820812377. The cubic root of 1054020513 is about 1017.6919854174.

The spelling of 1054020513 in words is "one billion, fifty-four million, twenty thousand, five hundred thirteen".

Divisors: 1 3 7 13 21 39 91 107 273 321 749 1391 2247 4173 9737 29211 36083 108249 252581 469079 757743 1407237 3283553 3860881 9850659 11582643 27026167 50191453 81078501 150574359 351340171 1054020513