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250005253030 = 251323591417183
BaseRepresentation
bin1110100011010101111…
…0010110101110100110
3212220022021222201220221
43220311132112232212
513044002321044110
6310503440114554
724030235405501
oct3506536265646
9786267881827
10250005253030
11970324a19a5
1240552305a5a
131a7631aabb0
14c1593bc138
1567835057da
hex3a35796ba6

250005253030 has 64 divisors (see below), whose sum is σ = 514267729920. Its totient is φ = 86799563136.

The previous prime is 250005252943. The next prime is 250005253049. The reversal of 250005253030 is 30352500052.

It is a junction number, because it is equal to n+sod(n) for n = 250005252986 and 250005253004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 532182 + ... + 885001.

It is an arithmetic number, because the mean of its divisors is an integer number (8035433280).

Almost surely, 2250005253030 is an apocalyptic number.

250005253030 is an abundant number, since it is smaller than the sum of its proper divisors (264262476890).

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

250005253030 is a wasteful number, since it uses less digits than its factorization.

250005253030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1417285.

The product of its (nonzero) digits is 4500, while the sum is 25.

Adding to 250005253030 its reverse (30352500052), we get a palindrome (280357753082).

The spelling of 250005253030 in words is "two hundred fifty billion, five million, two hundred fifty-three thousand, thirty".

Divisors: 1 2 5 10 13 23 26 46 59 65 115 118 130 230 295 299 590 598 767 1357 1495 1534 2714 2990 3835 6785 7670 13570 17641 35282 88205 176410 1417183 2834366 7085915 14171830 18423379 32595209 36846758 65190418 83613797 92116895 162976045 167227594 184233790 325952090 418068985 423737717 836137970 847475434 1086979361 1923117331 2118688585 2173958722 3846234662 4237377170 5434896805 9615586655 10869793610 19231173310 25000525303 50001050606 125002626515 250005253030