Search a number
-
+
78097940283 = 31122361891723
BaseRepresentation
bin100100010111011111…
…1111111111100111011
321110120210001102120210
41020232333333330323
52234421033042113
655513325522203
75433224352666
oct1105677777473
9243523042523
1078097940283
1130137284500
1213176a13363
13749805c8ac
143acc2d66dd
1520715056c3
hex122effff3b

78097940283 has 96 divisors (see below), whose sum is σ = 122827138560. Its totient is φ = 44006054400.

The previous prime is 78097940281. The next prime is 78097940299. The reversal of 78097940283 is 38204979087.

It is not a de Polignac number, because 78097940283 - 21 = 78097940281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (78097940281) 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, 45325860 + ... + 45327582.

It is an arithmetic number, because the mean of its divisors is an integer number (1279449360).

Almost surely, 278097940283 is an apocalyptic number.

78097940283 is a deficient number, since it is larger than the sum of its proper divisors (44729198277).

78097940283 is a wasteful number, since it uses less digits than its factorization.

78097940283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1921 (or 1910 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 57.

The spelling of 78097940283 in words is "seventy-eight billion, ninety-seven million, nine hundred forty thousand, two hundred eighty-three".

Divisors: 1 3 11 23 33 61 69 89 121 183 253 267 363 671 759 979 1403 1723 2013 2047 2783 2937 4209 5169 5429 6141 7381 8349 10769 15433 16287 18953 22143 22517 32307 39629 46299 56859 59719 67551 105103 118887 124867 153347 169763 179157 208483 247687 315309 374601 435919 460041 509289 625449 656909 743061 1156133 1307757 1373537 1686817 1970727 2417369 3468399 3526981 4120611 4795109 5060451 7252107 9354167 10580943 12717463 14385327 15108907 18554987 26591059 28062501 38152389 38796791 45326721 55664961 79773177 102895837 116390373 215145841 292501649 308687511 426764701 645437523 877504947 1131854207 1280294103 2366604251 3395562621 7099812753 26032646761 78097940283