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320514506242440 = 23352670954218687
BaseRepresentation
bin100100011100000011001100…
…1010010100011100110001000
31120000211212222000200021101220
41020320012121102203212020
5314002302202044224230
63053402155332442040
7124340260153433346
oct11070063122434610
91500755860607356
10320514506242440
1193142490a83674
122bb45a37779320
13109ac507ca4a13
145920db06cc996
15270c4b7b08d10
hex12381994a3988

320514506242440 has 32 divisors (see below), whose sum is σ = 961543518727680. Its totient is φ = 85470534997952.

The previous prime is 320514506242439. The next prime is 320514506242471. The reversal of 320514506242440 is 44242605415023.

It is a junction number, because it is equal to n+sod(n) for n = 320514506242392 and 320514506242401.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1335477109224 + ... + 1335477109463.

It is an arithmetic number, because the mean of its divisors is an integer number (30048234960240).

Almost surely, 2320514506242440 is an apocalyptic number.

320514506242440 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

320514506242440 is an abundant number, since it is smaller than the sum of its proper divisors (641029012485240).

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

320514506242440 is a wasteful number, since it uses less digits than its factorization.

320514506242440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2670954218701 (or 2670954218697 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 42.

The spelling of 320514506242440 in words is "three hundred twenty trillion, five hundred fourteen billion, five hundred six million, two hundred forty-two thousand, four hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 2670954218687 5341908437374 8012862656061 10683816874748 13354771093435 16025725312122 21367633749496 26709542186870 32051450624244 40064313280305 53419084373740 64102901248488 80128626560610 106838168747480 160257253121220 320514506242440