Search a number
-
+
102225313502464 = 28312521797549
BaseRepresentation
bin10111001111100100101111…
…011111111001010100000000
3111101221122101212021020002111
4113033210233133321110000
5101344324420224034324
61001225354414025104
730350351364623125
oct2717445737712400
9441848355236074
10102225313502464
112a63256a511229
12b56bb4a7a8194
134506a6217a5b9
141b35a3561674c
15bc41ad1bd794
hex5cf92f7f9500

102225313502464 has 108 divisors (see below), whose sum is σ = 211250901525300. Its totient is φ = 49368859238400.

The previous prime is 102225313502461. The next prime is 102225313502519. The reversal of 102225313502464 is 464205313522201.

It can be written as a sum of positive squares in 2 ways, for example, as 77510416000000 + 24714897502464 = 8804000^2 + 4971408^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102225313502461) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 127775562 + ... + 128573110.

It is an arithmetic number, because the mean of its divisors is an integer number (1956026865975).

Almost surely, 2102225313502464 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 102225313502464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105625450762650).

102225313502464 is an abundant number, since it is smaller than the sum of its proper divisors (109025588022836).

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

102225313502464 is an frugal number, since it uses more digits than its factorization.

102225313502464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798148 (or 798103 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 40.

The spelling of 102225313502464 in words is "one hundred two trillion, two hundred twenty-five billion, three hundred thirteen million, five hundred two thousand, four hundred sixty-four".

Divisors: 1 2 4 8 16 31 32 62 64 124 128 248 256 496 521 961 992 1042 1922 1984 2084 3844 3968 4168 7688 7936 8336 15376 16151 16672 30752 32302 33344 61504 64604 66688 123008 129208 133376 246016 258416 500681 516832 797549 1001362 1033664 1595098 2002724 2067328 3190196 4005448 4134656 6380392 8010896 12760784 16021792 24724019 25521568 32043584 49448038 51043136 64087168 98896076 102086272 128174336 197792152 204172544 395584304 415523029 766444589 791168608 831046058 1532889178 1582337216 1662092116 3065778356 3164674432 3324184232 6131556712 6329348864 6648368464 12263113424 12881213899 13296736928 24526226848 25762427798 26593473856 49052453696 51524855596 53186947712 98104907392 103049711192 106373895424 196209814784 206099422384 399317630869 412198844768 798635261738 824397689536 1597270523476 1648795379072 3194541046952 3297590758144 6389082093904 12778164187808 25556328375616 51112656751232 102225313502464