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252800503030 = 25109571406177
BaseRepresentation
bin1110101101110000010…
…1011000110011110110
3220011112002202011001201
43223130011120303312
513120213412044110
6312045052043114
724156426551425
oct3533405306366
9804462664051
10252800503030
1198237325669
1240bb246349a
131aaba33408a
14c3427272bc
156898b02b3a
hex3adc158cf6

252800503030 has 32 divisors (see below), whose sum is σ = 460020955680. Its totient is φ = 100016778240.

The previous prime is 252800503003. The next prime is 252800503057. The reversal of 252800503030 is 30305008252.

It is an interprime number because it is at equal distance from previous prime (252800503003) and next prime (252800503057).

It is a self number, because there is not a number n which added to its sum of digits gives 252800503030.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 419302 + ... + 825478.

It is an arithmetic number, because the mean of its divisors is an integer number (14375654865).

Almost surely, 2252800503030 is an apocalyptic number.

252800503030 is a deficient number, since it is larger than the sum of its proper divisors (207220452650).

252800503030 is a wasteful number, since it uses less digits than its factorization.

252800503030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406864.

The product of its (nonzero) digits is 7200, while the sum is 28.

The spelling of 252800503030 in words is "two hundred fifty-two billion, eight hundred million, five hundred three thousand, thirty".

Divisors: 1 2 5 10 109 218 545 571 1090 1142 2855 5710 62239 124478 311195 406177 622390 812354 2030885 4061770 44273293 88546586 221366465 231927067 442732930 463854134 1159635335 2319270670 25280050303 50560100606 126400251515 252800503030