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23097325440 = 273571718551
BaseRepresentation
bin10101100000101101…
…010011011110000000
32012121200200200222210
4111200231103132000
5334300403403230
614335531502120
71445242012140
oct254055233600
965550620883
1023097325440
119882924512
1245872b7940
1322412a7497
1411917c4920
15902b36eb0
hex560b53780

23097325440 has 128 divisors (see below), whose sum is σ = 84140305920. Its totient is φ = 5279385600.

The previous prime is 23097325423. The next prime is 23097325463. The reversal of 23097325440 is 4452379032.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 845836 + ... + 872715.

It is an arithmetic number, because the mean of its divisors is an integer number (657346140).

Almost surely, 223097325440 is an apocalyptic number.

23097325440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23097325440 is an abundant number, since it is smaller than the sum of its proper divisors (61042980480).

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

23097325440 is a wasteful number, since it uses less digits than its factorization.

23097325440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1718580 (or 1718568 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 39.

The spelling of 23097325440 in words is "twenty-three billion, ninety-seven million, three hundred twenty-five thousand, four hundred forty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 32 35 40 42 48 56 60 64 70 80 84 96 105 112 120 128 140 160 168 192 210 224 240 280 320 336 384 420 448 480 560 640 672 840 896 960 1120 1344 1680 1920 2240 2688 3360 4480 6720 13440 1718551 3437102 5155653 6874204 8592755 10311306 12029857 13748408 17185510 20622612 24059714 25778265 27496816 34371020 36089571 41245224 48119428 51556530 54993632 60149285 68742040 72179142 82490448 96238856 103113060 109987264 120298570 137484080 144358284 164980896 180447855 192477712 206226120 219974528 240597140 274968160 288716568 329961792 360895710 384955424 412452240 481194280 549936320 577433136 659923584 721791420 769910848 824904480 962388560 1099872640 1154866272 1443582840 1539821696 1649808960 1924777120 2309732544 2887165680 3299617920 3849554240 4619465088 5774331360 7699108480 11548662720 23097325440