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389416259792 = 24723147340909
BaseRepresentation
bin1011010101010110000…
…01001001000011010000
31101020011002101122211202
411222223001021003100
522340011030303132
6454521221530332
740064045410400
oct5525301110320
91336132348752
10389416259792
1114017236576a
126357a8739a8
132a94ca29181
1414bc26ca800
15a1e2680762
hex5aab0490d0

389416259792 has 120 divisors (see below), whose sum is σ = 925267921920. Its totient is φ = 158072221440.

The previous prime is 389416259789. The next prime is 389416259807. The reversal of 389416259792 is 297952614983.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 971834 + ... + 1312742.

It is an arithmetic number, because the mean of its divisors is an integer number (7710566016).

Almost surely, 2389416259792 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 389416259792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (462633960960).

389416259792 is an abundant number, since it is smaller than the sum of its proper divisors (535851662128).

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

389416259792 is a wasteful number, since it uses less digits than its factorization.

389416259792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341009 (or 340996 counting only the distinct ones).

The product of its digits is 58786560, while the sum is 65.

The spelling of 389416259792 in words is "three hundred eighty-nine billion, four hundred sixteen million, two hundred fifty-nine thousand, seven hundred ninety-two".

Divisors: 1 2 4 7 8 14 16 28 31 47 49 56 62 94 98 112 124 188 196 217 248 329 376 392 434 496 658 752 784 868 1316 1457 1519 1736 2303 2632 2914 3038 3472 4606 5264 5828 6076 9212 10199 11656 12152 18424 20398 23312 24304 36848 40796 71393 81592 142786 163184 285572 340909 571144 681818 1142288 1363636 2386363 2727272 4772726 5454544 9545452 10568179 16022723 16704541 19090904 21136358 32045446 33409082 38181808 42272716 64090892 66818164 73977253 84545432 112159061 128181784 133636328 147954506 169090864 224318122 256363568 267272656 295909012 448636244 496704413 517840771 591818024 785113427 897272488 993408826 1035681542 1183636048 1570226854 1794544976 1986817652 2071363084 3140453708 3476930891 3973635304 4142726168 6280907416 6953861782 7947270608 8285452336 12561814832 13907723564 24338516237 27815447128 48677032474 55630894256 97354064948 194708129896 389416259792