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30041415540 = 2233558699479
BaseRepresentation
bin11011111110100110…
…111001111101110100
32212112122020000211000
4123332212321331310
5443011100244130
621444551443300
72112311550603
oct337646717564
985478200730
1030041415540
1111816661154
1259a4986530
132aa9b36036
14164db49a3a
15bac5aa260
hex6fe9b9f74

30041415540 has 96 divisors (see below), whose sum is σ = 93487968000. Its totient is φ = 8008834176.

The previous prime is 30041415493. The next prime is 30041415541. The reversal of 30041415540 is 4551414003.

It is a happy number.

30041415540 is a `hidden beast` number, since 30 + 0 + 41 + 41 + 554 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30041415541) 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, 3164521 + ... + 3173999.

It is an arithmetic number, because the mean of its divisors is an integer number (973833000).

Almost surely, 230041415540 is an apocalyptic number.

30041415540 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30041415540 is an abundant number, since it is smaller than the sum of its proper divisors (63446552460).

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

30041415540 is a wasteful number, since it uses less digits than its factorization.

30041415540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15366 (or 15358 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 30041415540 its reverse (4551414003), we get a palindrome (34592829543).

The spelling of 30041415540 in words is "thirty billion, forty-one million, four hundred fifteen thousand, five hundred forty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 90 108 135 180 270 540 5869 9479 11738 17607 18958 23476 28437 29345 35214 37916 47395 52821 56874 58690 70428 85311 88035 94790 105642 113748 117380 142185 158463 170622 176070 189580 211284 255933 264105 284370 316926 341244 352140 426555 511866 528210 568740 633852 792315 853110 1023732 1056420 1279665 1584630 1706220 2559330 3169260 5118660 55632251 111264502 166896753 222529004 278161255 333793506 500690259 556322510 667587012 834483765 1001380518 1112645020 1502070777 1668967530 2002761036 2503451295 3004141554 3337935060 5006902590 6008283108 7510353885 10013805180 15020707770 30041415540