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30401022123440 = 2451614123543323
BaseRepresentation
bin1101110100110010010100…
…00111111101110110110000
310222122022100111120101020122
412322121022013331312300
512441042243130422230
6144354011535025412
76255254445243023
oct672311207756660
9128568314511218
1030401022123440
119761001487971
1234abb0896b268
1313c6a5b762557
147715bb1b91ba
1537ac012c3be5
hex1ba64a1fddb0

30401022123440 has 40 divisors (see below), whose sum is σ = 70686758497488. Its totient is φ = 12159654946560.

The previous prime is 30401022123413. The next prime is 30401022123533. The reversal of 30401022123440 is 4432122010403.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×304010221234402 (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10480382 + ... + 13062941.

Almost surely, 230401022123440 is an apocalyptic number.

It is an amenable number.

30401022123440 is an abundant number, since it is smaller than the sum of its proper divisors (40285736374048).

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

30401022123440 is a wasteful number, since it uses less digits than its factorization.

30401022123440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23559477 (or 23559471 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 30401022123440 its reverse (4432122010403), we get a palindrome (34833144133843).

The spelling of 30401022123440 in words is "thirty trillion, four hundred one billion, twenty-two million, one hundred twenty-three thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 16141 32282 64564 80705 129128 161410 258256 322820 645640 1291280 23543323 47086646 94173292 117716615 188346584 235433230 376693168 470866460 941732920 1883465840 380012776543 760025553086 1520051106172 1900063882715 3040102212344 3800127765430 6080204424688 7600255530860 15200511061720 30401022123440