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380997212739 = 3111319312575867
BaseRepresentation
bin1011000101101010011…
…01000001101001000011
31100102102100110202110020
411202311031001221003
522220240241301424
6451005552304523
736345315605613
oct5426515015103
91312370422406
10380997212739
11137641aa3040
1261a0b242143
1329c0a736020
1414624500a43
159d9d4ad079
hex58b5341a43

380997212739 has 128 divisors (see below), whose sum is σ = 651117035520. Its totient is φ = 194619801600.

The previous prime is 380997212657. The next prime is 380997212789. The reversal of 380997212739 is 937212799083.

It is not a de Polignac number, because 380997212739 - 216 = 380997147203 is a prime.

It is a super-2 number, since 2×3809972127392 (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (380997212789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 64936084 + ... + 64941950.

It is an arithmetic number, because the mean of its divisors is an integer number (5086851840).

Almost surely, 2380997212739 is an apocalyptic number.

380997212739 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

380997212739 is a deficient number, since it is larger than the sum of its proper divisors (270119822781).

380997212739 is a wasteful number, since it uses less digits than its factorization.

380997212739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6201.

The product of its (nonzero) digits is 10287648, while the sum is 60.

The spelling of 380997212739 in words is "three hundred eighty billion, nine hundred ninety-seven million, two hundred twelve thousand, seven hundred thirty-nine".

Divisors: 1 3 11 13 19 31 33 39 57 93 143 209 247 257 341 403 429 589 627 741 771 1023 1209 1767 2717 2827 3341 4433 4883 5867 6479 7657 7967 8151 8481 10023 13299 14649 17601 19437 22971 23901 36751 53713 63479 64537 76271 84227 87637 103571 110253 111473 151373 161139 181877 190437 193611 228813 252681 262911 310713 334419 454119 545631 698269 838981 1139281 1226203 1449149 1507819 1665103 1967849 2000647 2094807 2364401 2516943 3417843 3455663 3678609 4347447 4523457 4995309 5903547 6001941 7093203 10366989 15940639 16586009 19601647 21646339 26008411 28648561 38012293 44923619 46742389 47821917 49758027 58804941 64939017 78025233 85945683 114036879 134770857 140227167 215618117 315134171 372431293 494159809 514166279 607651057 646854351 888105391 945402513 1117293879 1482479427 1542498837 1822953171 2664316173 4096744223 6684161627 9769159301 11545370083 12290232669 20052484881 29307477903 34636110249 126999070913 380997212739