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245040232501040 = 24519211937606789
BaseRepresentation
bin110111101101110011100000…
…000000111000111100110000
31012010121121200010020000021012
4313231303200000320330300
5224104214344010013130
62225053532340250052
7102420400251635054
oct6755634000707460
91163547603200235
10245040232501040
1171093a85074439
12235965320a0928
13a69626bbc6922
144472020c95c64
151d4e0d35dd995
hexdedce0038f30

245040232501040 has 80 divisors (see below), whose sum is σ = 599732103007200. Its totient is φ = 92852957546496.

The previous prime is 245040232500997. The next prime is 245040232501079. The reversal of 245040232501040 is 40105232040542.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 245040232500988 and 245040232501006.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28409966 + ... + 36016754.

It is an arithmetic number, because the mean of its divisors is an integer number (7496651287590).

Almost surely, 2245040232501040 is an apocalyptic number.

245040232501040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245040232501040 is an abundant number, since it is smaller than the sum of its proper divisors (354691870506160).

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

245040232501040 is a wasteful number, since it uses less digits than its factorization.

245040232501040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7628014 (or 7628008 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 32.

Adding to 245040232501040 its reverse (40105232040542), we get a palindrome (285145464541582).

The spelling of 245040232501040 in words is "two hundred forty-five trillion, forty billion, two hundred thirty-two million, five hundred one thousand, forty".

Divisors: 1 2 4 5 8 10 16 19 20 38 40 76 80 95 152 190 304 380 760 1520 21193 42386 84772 105965 169544 211930 339088 402667 423860 805334 847720 1610668 1695440 2013335 3221336 4026670 6442672 7606789 8053340 15213578 16106680 30427156 32213360 38033945 60854312 76067890 121708624 144528991 152135780 289057982 304271560 578115964 608543120 722644955 1156231928 1445289910 2312463856 2890579820 5781159640 11562319280 161210679277 322421358554 644842717108 806053396385 1289685434216 1612106792770 2579370868432 3063002906263 3224213585540 6126005812526 6448427171080 12252011625052 12896854342160 15315014531315 24504023250104 30630029062630 49008046500208 61260058125260 122520116250520 245040232501040