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545305302140 = 2251923312119991
BaseRepresentation
bin1111110111101101011…
…10101001010001111100
31221010112021010112002212
413323312232221101330
532413241124132030
61054302041035552
754253113406334
oct7736656512174
91833467115085
10545305302140
111a0298699565
1289825785bb8
133c564395171
141c5702460c4
15e2b827b595
hex7ef6ba947c

545305302140 has 96 divisors (see below), whose sum is σ = 1258286883840. Its totient is φ = 197584358400.

The previous prime is 545305302023. The next prime is 545305302173. The reversal of 545305302140 is 41203503545.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 545305302097 and 545305302106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27267545 + ... + 27287535.

It is an arithmetic number, because the mean of its divisors is an integer number (13107155040).

Almost surely, 2545305302140 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 545305302140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (629143441920).

545305302140 is an abundant number, since it is smaller than the sum of its proper divisors (712981581700).

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

545305302140 is a wasteful number, since it uses less digits than its factorization.

545305302140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23163 (or 23161 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 32.

Adding to 545305302140 its reverse (41203503545), we get a palindrome (586508805685).

The spelling of 545305302140 in words is "five hundred forty-five billion, three hundred five million, three hundred two thousand, one hundred forty".

Divisors: 1 2 4 5 10 19 20 23 38 46 76 92 95 115 190 230 380 437 460 874 1748 2185 3121 4370 6242 8740 12484 15605 19991 31210 39982 59299 62420 71783 79964 99955 118598 143566 199910 237196 287132 296495 358915 379829 399820 459793 592990 717830 759658 919586 1185980 1363877 1435660 1519316 1839172 1899145 2298965 2727754 3798290 4597930 5455508 6819385 7596580 8736067 9195860 13638770 17472134 27277540 34944268 43680335 62391911 87360670 124783822 174721340 249567644 311959555 623919110 1185446309 1247838220 1435013953 2370892618 2870027906 4741785236 5740055812 5927231545 7175069765 11854463090 14350139530 23708926180 27265265107 28700279060 54530530214 109061060428 136326325535 272652651070 545305302140