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42103303212440 = 235139223190117863
BaseRepresentation
bin10011001001010111100000…
…11011101000110110011000
312112002000222120222210010202
421210223300123220312120
521004310031110244230
6225313553535401332
711603602050262211
oct1144536033506630
9175060876883122
1042103303212440
1112462a0203a398
12487ba9b083248
131a6542aaa6b32
14a57b4c9a0408
154d030be1da45
hex264af06e8d98

42103303212440 has 128 divisors (see below), whose sum is σ = 95897610547200. Its totient is φ = 16635495052800.

The previous prime is 42103303212427. The next prime is 42103303212457. The reversal of 42103303212440 is 4421230330124.

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, 2357002949 + ... + 2357020811.

It is an arithmetic number, because the mean of its divisors is an integer number (749200082400).

Almost surely, 242103303212440 is an apocalyptic number.

42103303212440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42103303212440 is an abundant number, since it is smaller than the sum of its proper divisors (53794307334760).

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

42103303212440 is a wasteful number, since it uses less digits than its factorization.

42103303212440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20137 (or 20133 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 42103303212440 its reverse (4421230330124), we get a palindrome (46524533542564).

The spelling of 42103303212440 in words is "forty-two trillion, one hundred three billion, three hundred three million, two hundred twelve thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 40 139 223 278 446 556 695 892 1112 1115 1390 1784 1901 2230 2780 3802 4460 5560 7604 8920 9505 15208 17863 19010 30997 35726 38020 61994 71452 76040 89315 123988 142904 154985 178630 247976 264239 309970 357260 423923 528478 619940 714520 847846 1056956 1239880 1321195 1695692 2113912 2119615 2482957 2642390 3391384 3983449 4239230 4965914 5284780 7966898 8478460 9931828 10569560 12414785 15933796 16956920 19863656 19917245 24829570 31867592 33957563 39834490 49659140 58925297 67915126 79668980 99318280 117850594 135830252 159337960 169787815 235701188 271660504 294626485 339575630 471402376 553699411 589252970 679151260 1107398822 1178505940 1358302520 2214797644 2357011880 2768497055 4429595288 4720101257 5536994110 7572536549 9440202514 11073988220 15145073098 18880405028 22147976440 23600506285 30290146196 37760810056 37862682745 47201012570 60580292392 75725365490 94402025140 151450730980 188804050280 302901461960 1052582580311 2105165160622 4210330321244 5262912901555 8420660642488 10525825803110 21051651606220 42103303212440