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252752750030 = 25112979232837
BaseRepresentation
bin1110101101100100111…
…1001110010111001110
3220011101202220001021002
43223121033032113032
513120114201000110
6312040224340302
724155306633024
oct3533117162716
9804352801232
10252752750030
119821237a080
1240b9a474692
131aab0484671
14c33a256714
15689481daa5
hex3ad93ce5ce

252752750030 has 32 divisors (see below), whose sum is σ = 513428790240. Its totient is φ = 88740776320.

The previous prime is 252752750011. The next prime is 252752750039. The reversal of 252752750030 is 30057257252.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252752750039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39613229 + ... + 39619608.

It is an arithmetic number, because the mean of its divisors is an integer number (16044649695).

Almost surely, 2252752750030 is an apocalyptic number.

252752750030 is an abundant number, since it is smaller than the sum of its proper divisors (260676040210).

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

252752750030 is a wasteful number, since it uses less digits than its factorization.

252752750030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79232884.

The product of its (nonzero) digits is 147000, while the sum is 38.

The spelling of 252752750030 in words is "two hundred fifty-two billion, seven hundred fifty-two million, seven hundred fifty thousand, thirty".

Divisors: 1 2 5 10 11 22 29 55 58 110 145 290 319 638 1595 3190 79232837 158465674 396164185 792328370 871561207 1743122414 2297752273 4357806035 4595504546 8715612070 11488761365 22977522730 25275275003 50550550006 126376375015 252752750030