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26231030430 = 235111741114043
BaseRepresentation
bin11000011011011111…
…011100001010011110
32111201002022102002120
4120123133130022132
5412210120433210
620014514003410
71616013036243
oct303337341236
974632272076
1026231030430
1110140807450
125100876566
1326205a39a7
1413aba735ca
15a37cdc270
hex61b7dc29e

26231030430 has 128 divisors (see below), whose sum is σ = 74491716096. Its totient is φ = 5838950400.

The previous prime is 26231030429. The next prime is 26231030437. The reversal of 26231030430 is 3403013262.

It is a self number, because there is not a number n which added to its sum of digits gives 26231030430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26231030437) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 172989 + ... + 287031.

It is an arithmetic number, because the mean of its divisors is an integer number (581966532).

Almost surely, 226231030430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26231030430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37245858048).

26231030430 is an abundant number, since it is smaller than the sum of its proper divisors (48260685666).

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

26231030430 is a wasteful number, since it uses less digits than its factorization.

26231030430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114122.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 26231030430 its reverse (3403013262), we get a palindrome (29634043692).

The spelling of 26231030430 in words is "twenty-six billion, two hundred thirty-one million, thirty thousand, four hundred thirty".

Divisors: 1 2 3 5 6 10 11 15 17 22 30 33 34 41 51 55 66 82 85 102 110 123 165 170 187 205 246 255 330 374 410 451 510 561 615 697 902 935 1122 1230 1353 1394 1870 2091 2255 2706 2805 3485 4182 4510 5610 6765 6970 7667 10455 13530 15334 20910 23001 38335 46002 76670 114043 115005 228086 230010 342129 570215 684258 1140430 1254473 1710645 1938731 2508946 3421290 3763419 3877462 4675763 5816193 6272365 7526838 9351526 9693655 11632386 12544730 14027289 18817095 19387310 21326041 23378815 28054578 29080965 37634190 42652082 46757630 51433393 58161930 63978123 70136445 79487971 102866786 106630205 127956246 140272890 154300179 158975942 213260410 238463913 257166965 308600358 319890615 397439855 476927826 514333930 639781230 771500895 794879710 874367681 1192319565 1543001790 1748735362 2384639130 2623103043 4371838405 5246206086 8743676810 13115515215 26231030430