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79038575044 = 221121329832
BaseRepresentation
bin100100110011100010…
…0001111000111000100
321120000100000121220021
41021213010033013010
52243332333400134
6100150530544524
75465435542252
oct1114704170704
9246010017807
1079038575044
113057a240300
1213399a38144
1375b7bb2a00
143b7b1cd5d2
1520c8dac0b4
hex126710f1c4

79038575044 has 81 divisors (see below), whose sum is σ = 164797202829. Its totient is φ = 33129301920.

The previous prime is 79038575027. The next prime is 79038575081. The reversal of 79038575044 is 44057583097.

The square root of 79038575044 is 281138.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 11692096900 + 67346478144 = 108130^2 + 259512^2 .

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 79038574982 and 79038575000.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 80404977 + ... + 80405959.

Almost surely, 279038575044 is an apocalyptic number.

79038575044 is the 281138-th square number.

It is an amenable number.

79038575044 is an abundant number, since it is smaller than the sum of its proper divisors (85758627785).

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

79038575044 is a wasteful number, since it uses less digits than its factorization.

79038575044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2018 (or 1009 counting only the distinct ones).

The product of its (nonzero) digits is 4233600, while the sum is 52.

The spelling of 79038575044 in words is "seventy-nine billion, thirty-eight million, five hundred seventy-five thousand, forty-four".

Divisors: 1 2 4 11 13 22 26 44 52 121 143 169 242 286 338 484 572 676 983 1573 1859 1966 3146 3718 3932 6292 7436 10813 12779 20449 21626 25558 40898 43252 51116 81796 118943 140569 166127 237886 281138 332254 475772 562276 664508 966289 1546259 1827397 1932578 3092518 3654794 3865156 6185036 7309588 10629179 12561757 20101367 21258358 25123514 40202734 42516716 50247028 80405468 116920969 138179327 163302841 233841938 276358654 326605682 467683876 552717308 653211364 1519972597 1796331251 3039945194 3592662502 6079890388 7185325004 19759643761 39519287522 79038575044