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102547252900 = 225231210332
BaseRepresentation
bin101111110000001001…
…0101110011010100100
3100210200200202012022201
41133200102232122210
53140004044043100
6115035355304244
710260134160541
oct1374022563244
9323620665281
10102547252900
113a543283994
1217a5aa4b084
139893474a91
144d6b491bc8
152a02b9b36a
hex17e04ae6a4

102547252900 has 81 divisors (see below), whose sum is σ = 230160212163. Its totient is φ = 39657283200.

The previous prime is 102547252877. The next prime is 102547252921. The reversal of 102547252900 is 9252745201.

The square root of 102547252900 is 320230.

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

It can be written as a sum of positive squares in 4 ways, for example, as 19930098276 + 82617154624 = 141174^2 + 287432^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 102547252900.

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, 99270784 + ... + 99271816.

Almost surely, 2102547252900 is an apocalyptic number.

102547252900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102547252900 is the 320230-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102547252900

102547252900 is an abundant number, since it is smaller than the sum of its proper divisors (127612959263).

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

102547252900 is an equidigital number, since it uses as much as digits as its factorization.

102547252900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2142 (or 1071 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 37.

The spelling of 102547252900 in words is "one hundred two billion, five hundred forty-seven million, two hundred fifty-two thousand, nine hundred".

Divisors: 1 2 4 5 10 20 25 31 50 62 100 124 155 310 620 775 961 1033 1550 1922 2066 3100 3844 4132 4805 5165 9610 10330 19220 20660 24025 25825 32023 48050 51650 64046 96100 103300 128092 160115 320230 640460 800575 992713 1067089 1601150 1985426 2134178 3202300 3970852 4268356 4963565 5335445 9927130 10670890 19854260 21341780 24817825 26677225 33079759 49635650 53354450 66159518 99271300 106708900 132319036 165398795 330797590 661595180 826993975 1025472529 1653987950 2050945058 3307975900 4101890116 5127362645 10254725290 20509450580 25636813225 51273626450 102547252900