Search a number
-
+
79698628608 = 212317381523
BaseRepresentation
bin100101000111001101…
…0001001000000000000
321121201100000211011120
41022032122021000000
52301210322103413
6100340230112240
75521002110544
oct1121632110000
9247640024146
1079698628608
1130888886315
1213542aab680
137691876a51
143c00b29a24
152116cdd723
hex128e689000

79698628608 has 104 divisors (see below), whose sum is σ = 225004542048. Its totient is φ = 25003425792.

The previous prime is 79698628507. The next prime is 79698628627. The reversal of 79698628608 is 80682689697.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18135 + ... + 399657.

It is an arithmetic number, because the mean of its divisors is an integer number (2163505212).

Almost surely, 279698628608 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 79698628608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112502271024).

79698628608 is an abundant number, since it is smaller than the sum of its proper divisors (145305913440).

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

79698628608 is a wasteful number, since it uses less digits than its factorization.

79698628608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381567 (or 381545 counting only the distinct ones).

The product of its (nonzero) digits is 125411328, while the sum is 69.

The spelling of 79698628608 in words is "seventy-nine billion, six hundred ninety-eight million, six hundred twenty-eight thousand, six hundred eight".

Divisors: 1 2 3 4 6 8 12 16 17 24 32 34 48 51 64 68 96 102 128 136 192 204 256 272 384 408 512 544 768 816 1024 1088 1536 1632 2048 2176 3072 3264 4096 4352 6144 6528 8704 12288 13056 17408 26112 34816 52224 69632 104448 208896 381523 763046 1144569 1526092 2289138 3052184 4578276 6104368 6485891 9156552 12208736 12971782 18313104 19457673 24417472 25943564 36626208 38915346 48834944 51887128 73252416 77830692 97669888 103774256 146504832 155661384 195339776 207548512 293009664 311322768 390679552 415097024 586019328 622645536 781359104 830194048 1172038656 1245291072 1562718208 1660388096 2344077312 2490582144 3320776192 4688154624 4981164288 6641552384 9962328576 13283104768 19924657152 26566209536 39849314304 79698628608