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13013043042 = 2331375335677
BaseRepresentation
bin11000001111010001…
…10100011101100010
31020120220100002011010
430013220310131202
5203122314334132
65551134401350
7640322016666
oct140750643542
936526302133
1013013043042
11557858392a
122632060256
1312c4cba68c
148b63a28a6
1551267b6cc
hex307a34762

13013043042 has 64 divisors (see below), whose sum is σ = 28113122304. Its totient is φ = 4007128320.

The previous prime is 13013043037. The next prime is 13013043077. The reversal of 13013043042 is 24034031031.

It is a super-2 number, since 2×130130430422 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 346908 + ... + 382584.

It is an arithmetic number, because the mean of its divisors is an integer number (439267536).

Almost surely, 213013043042 is an apocalyptic number.

13013043042 is an abundant number, since it is smaller than the sum of its proper divisors (15100079262).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13013043042 is a wasteful number, since it uses less digits than its factorization.

13013043042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35803.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 13013043042 its reverse (24034031031), we get a palindrome (37047074073).

The spelling of 13013043042 in words is "thirteen billion, thirteen million, forty-three thousand, forty-two".

Divisors: 1 2 3 6 31 37 53 62 74 93 106 111 159 186 222 318 1147 1643 1961 2294 3286 3441 3922 4929 5883 6882 9858 11766 35677 60791 71354 107031 121582 182373 214062 364746 1105987 1320049 1890881 2211974 2640098 3317961 3781762 3960147 5672643 6635922 7920294 11345286 40921519 58617311 69962597 81843038 117234622 122764557 139925194 175851933 209887791 245529114 351703866 419775582 2168840507 4337681014 6506521521 13013043042