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28601137079340 = 22357312196707917
BaseRepresentation
bin1101000000011001110001…
…00111011010010000101100
310202021020112102022120121220
412200030320213122100230
512222100112043014330
6140455103032023340
76011235560634240
oct640147047322054
9122236472276556
1028601137079340
119127746284361
12325b112b31b50
1312c60ca2993b7
1470c433bb2420
15348eab8c6710
hex1a03389da42c

28601137079340 has 96 divisors (see below), whose sum is σ = 94476014137344. Its totient is φ = 6326518798080.

The previous prime is 28601137079303. The next prime is 28601137079353. The reversal of 28601137079340 is 4397073110682.

It is a happy number.

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 31 ways as a sum of consecutive naturals, for example, 1098340939 + ... + 1098366978.

It is an arithmetic number, because the mean of its divisors is an integer number (984125147264).

Almost surely, 228601137079340 is an apocalyptic number.

28601137079340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28601137079340 is an abundant number, since it is smaller than the sum of its proper divisors (65874877058004).

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

28601137079340 is a wasteful number, since it uses less digits than its factorization.

28601137079340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2196707967 (or 2196707965 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 51.

The spelling of 28601137079340 in words is "twenty-eight trillion, six hundred one billion, one hundred thirty-seven million, seventy-nine thousand, three hundred forty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 31 35 42 60 62 70 84 93 105 124 140 155 186 210 217 310 372 420 434 465 620 651 868 930 1085 1302 1860 2170 2604 3255 4340 6510 13020 2196707917 4393415834 6590123751 8786831668 10983539585 13180247502 15376955419 21967079170 26360495004 30753910838 32950618755 43934158340 46130866257 61507821676 65901237510 68097945427 76884777095 92261732514 131802475020 136195890854 153769554190 184523465028 204293836281 230654331285 272391781708 307539108380 340489727135 408587672562 461308662570 476685617989 680979454270 817175345124 922617325140 953371235978 1021469181405 1361958908540 1430056853967 1906742471956 2042938362810 2383428089945 2860113707934 4085876725620 4766856179890 5720227415868 7150284269835 9533712359780 14300568539670 28601137079340