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13013552230 = 2574725715391
BaseRepresentation
bin11000001111010101…
…10000110001100110
31020120221021221121221
430013222300301212
5203122432132410
65551153330554
7640326240340
oct140752606146
936527257557
1013013552230
1155788a1448
122632266a5a
1312c5138383
148b6496290
1551272c4da
hex307ab0c66

13013552230 has 64 divisors (see below), whose sum is σ = 27448492032. Its totient is φ = 4349583360.

The previous prime is 13013552221. The next prime is 13013552267. The reversal of 13013552230 is 3225531031.

It is a junction number, because it is equal to n+sod(n) for n = 13013552195 and 13013552204.

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, 837835 + ... + 853225.

It is an arithmetic number, because the mean of its divisors is an integer number (428882688).

Almost surely, 213013552230 is an apocalyptic number.

13013552230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13013552230 is an abundant number, since it is smaller than the sum of its proper divisors (14434939802).

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

13013552230 is a wasteful number, since it uses less digits than its factorization.

13013552230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15709.

The product of its (nonzero) digits is 2700, while the sum is 25.

The spelling of 13013552230 in words is "thirteen billion, thirteen million, five hundred fifty-two thousand, two hundred thirty".

Divisors: 1 2 5 7 10 14 35 47 70 94 235 257 329 470 514 658 1285 1645 1799 2570 3290 3598 8995 12079 15391 17990 24158 30782 60395 76955 84553 107737 120790 153910 169106 215474 422765 538685 723377 845530 1077370 1446754 3616885 3955487 5063639 7233770 7910974 10127278 19777435 25318195 27688409 39554870 50636390 55376818 138442045 185907889 276884090 371815778 929539445 1301355223 1859078890 2602710446 6506776115 13013552230