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454012432140 = 223517214396789
BaseRepresentation
bin1101001101101010011…
…11111110111100001100
31121101212220111012202110
412212311033332330030
524414304140312030
6544323114024020
744541564666441
oct6466517767414
91541786435673
10454012432140
11165600200073
1273ba7a18010
1333a75763367
1417d8d7619c8
15bc2366c1b0
hex69b53fef0c

454012432140 has 48 divisors (see below), whose sum is σ = 1271973759840. Its totient is φ = 120999605760.

The previous prime is 454012432121. The next prime is 454012432151. The reversal of 454012432140 is 41234210454.

It is a super-2 number, since 2×4540124321402 (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 454012432098 and 454012432107.

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, 2095135 + ... + 2301654.

It is an arithmetic number, because the mean of its divisors is an integer number (26499453330).

Almost surely, 2454012432140 is an apocalyptic number.

It is an amenable number.

454012432140 is an abundant number, since it is smaller than the sum of its proper divisors (817961327700).

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

454012432140 is a wasteful number, since it uses less digits than its factorization.

454012432140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4398522 (or 4398520 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 454012432140 its reverse (41234210454), we get a palindrome (495246642594).

The spelling of 454012432140 in words is "four hundred fifty-four billion, twelve million, four hundred thirty-two thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 1721 3442 5163 6884 8605 10326 17210 20652 25815 34420 51630 103260 4396789 8793578 13190367 17587156 21983945 26380734 43967890 52761468 65951835 87935780 131903670 263807340 7566873869 15133747738 22700621607 30267495476 37834369345 45401243214 75668738690 90802486428 113503108035 151337477380 227006216070 454012432140