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19730796393 = 3711231463541
BaseRepresentation
bin10010011000000011…
…000000111101101001
31212221001222022022210
4102120003000331221
5310402040441033
613021511235333
71265643000510
oct223003007551
955831868283
1019730796393
11840557a400
1239a7978b49
131b259a0469
14d5264b677
157a72e1d63
hex4980c0f69

19730796393 has 96 divisors (see below), whose sum is σ = 34250653696. Its totient is φ = 9879408000.

The previous prime is 19730796359. The next prime is 19730796401. The reversal of 19730796393 is 39369703791.

It is not a de Polignac number, because 19730796393 - 26 = 19730796329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (19730796893) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 36470703 + ... + 36471243.

Almost surely, 219730796393 is an apocalyptic number.

It is an amenable number.

19730796393 is a deficient number, since it is larger than the sum of its proper divisors (14519857303).

19730796393 is a wasteful number, since it uses less digits than its factorization.

19730796393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1067 (or 1056 counting only the distinct ones).

The product of its (nonzero) digits is 5786802, while the sum is 57.

The spelling of 19730796393 in words is "nineteen billion, seven hundred thirty million, seven hundred ninety-six thousand, three hundred ninety-three".

Divisors: 1 3 7 11 21 31 33 77 93 121 217 231 341 363 463 541 651 847 1023 1389 1623 2387 2541 3241 3751 3787 5093 5951 7161 9723 11253 11361 14353 15279 16771 17853 26257 35651 41657 43059 50313 56023 65461 78771 100471 106953 117397 124971 157883 168069 184481 196383 250483 301413 352191 392161 458227 473649 553443 751449 1105181 1176483 1291367 1374681 1736713 1753381 2029291 2755313 3315543 3874101 5210139 5260143 6087873 7764973 8265939 12156991 14205037 19287191 23294919 30308443 36470973 42615111 54354811 57861573 85414703 90925329 163064433 212159101 256244109 597902921 636477303 939561733 1793708763 2818685199 6576932131 19730796393