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1301222442 = 2313127131357
BaseRepresentation
bin100110110001111…
…0001010000101010
310100200110221121210
41031203301100222
510131103104232
6333041413550
744150131302
oct11543612052
93320427553
101301222442
11608562753
1230393a2b6
13179775510
14c4b5c602
15793825cc
hex4d8f142a

1301222442 has 32 divisors (see below), whose sum is σ = 2824722432. Its totient is φ = 397220544.

The previous prime is 1301222413. The next prime is 1301222479. The reversal of 1301222442 is 2442221031.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55773 + ... + 75584.

It is an arithmetic number, because the mean of its divisors is an integer number (88272576).

Almost surely, 21301222442 is an apocalyptic number.

1301222442 is an abundant number, since it is smaller than the sum of its proper divisors (1523499990).

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

1301222442 is a wasteful number, since it uses less digits than its factorization.

1301222442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131502.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1301222442 is about 36072.4609917316. The cubic root of 1301222442 is about 1091.7348693503.

Adding to 1301222442 its reverse (2442221031), we get a palindrome (3743443473).

The spelling of 1301222442 in words is "one billion, three hundred one million, two hundred twenty-two thousand, four hundred forty-two".

Divisors: 1 2 3 6 13 26 39 78 127 254 381 762 1651 3302 4953 9906 131357 262714 394071 788142 1707641 3415282 5122923 10245846 16682339 33364678 50047017 100094034 216870407 433740814 650611221 1301222442