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252525552500 = 2254137770017
BaseRepresentation
bin1110101100101110110…
…0100010001101110100
3220010210221101012211202
43223023230202031310
513114133020140000
6312001510552032
724146550531404
oct3531354421564
9803727335752
10252525552500
1198106100221
1240b36368618
131aa75396b60
14c317dd4804
15687e8e0dd5
hex3acbb22374

252525552500 has 60 divisors (see below), whose sum is σ = 594701637684. Its totient is φ = 93240192000.

The previous prime is 252525552473. The next prime is 252525552529. The reversal of 252525552500 is 5255525252.

It can be written as a sum of positive squares in 10 ways, for example, as 179189662864 + 73335889636 = 423308^2 + 270806^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3852509 + ... + 3917508.

Almost surely, 2252525552500 is an apocalyptic number.

252525552500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

252525552500 is an abundant number, since it is smaller than the sum of its proper divisors (342176085184).

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

252525552500 is a wasteful number, since it uses less digits than its factorization.

252525552500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7770054 (or 7770037 counting only the distinct ones).

The product of its (nonzero) digits is 250000, while the sum is 38.

The spelling of 252525552500 in words is "two hundred fifty-two billion, five hundred twenty-five million, five hundred fifty-two thousand, five hundred".

Divisors: 1 2 4 5 10 13 20 25 26 50 52 65 100 125 130 250 260 325 500 625 650 1250 1300 1625 2500 3250 6500 8125 16250 32500 7770017 15540034 31080068 38850085 77700170 101010221 155400340 194250425 202020442 388500850 404040884 505051105 777001700 971252125 1010102210 1942504250 2020204420 2525255525 3885008500 4856260625 5050511050 9712521250 10101022100 12626277625 19425042500 25252555250 50505110500 63131388125 126262776250 252525552500