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1301120442 = 233231636427
BaseRepresentation
bin100110110001101…
…1000010110111010
310100200021202201000
41031203120112322
510131041323232
6333035305430
744146225026
oct11543302672
93320252630
101301120442
116084a3056
123038ab276
1317973ac6b
14c4b33386
157936227c
hex4d8d85ba

1301120442 has 64 divisors (see below), whose sum is σ = 3036072960. Its totient is φ = 412240752.

The previous prime is 1301120413. The next prime is 1301120453. The reversal of 1301120442 is 2440211031.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 199233 + ... + 205659.

It is an arithmetic number, because the mean of its divisors is an integer number (47438640).

Almost surely, 21301120442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1301120442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1518036480).

1301120442 is an abundant number, since it is smaller than the sum of its proper divisors (1734952518).

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

1301120442 is a wasteful number, since it uses less digits than its factorization.

1301120442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6624 (or 6618 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1301120442 is about 36071.0471431036. The cubic root of 1301120442 is about 1091.7063423634.

Adding to 1301120442 its reverse (2440211031), we get a palindrome (3741331473).

The spelling of 1301120442 in words is "one billion, three hundred one million, one hundred twenty thousand, four hundred forty-two".

Divisors: 1 2 3 6 9 18 23 27 46 54 69 138 163 207 326 414 489 621 978 1242 1467 2934 3749 4401 6427 7498 8802 11247 12854 19281 22494 33741 38562 57843 67482 101223 115686 147821 173529 202446 295642 347058 443463 886926 1047601 1330389 2095202 2660778 3142803 3991167 6285606 7982334 9428409 18856818 24094823 28285227 48189646 56570454 72284469 144568938 216853407 433706814 650560221 1301120442