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268783420030 = 25432332699973
BaseRepresentation
bin1111101001010010111…
…1011000001001111110
3221200202222102110101121
43322110233120021332
513400432023420110
6323251041301154
725263463242166
oct3722457301176
9850688373347
10268783420030
11a3a99262784
12441130347ba
131c4666b8808
14d01b2cd5a6
156ed1d71cda
hex3e94bd827e

268783420030 has 64 divisors (see below), whose sum is σ = 499084597440. Its totient is φ = 104163204096.

The previous prime is 268783420027. The next prime is 268783420057. The reversal of 268783420030 is 30024387862.

It is a Harshad number since it is a multiple of its sum of digits (43).

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, 26946124 + ... + 26956096.

It is an arithmetic number, because the mean of its divisors is an integer number (7798196835).

Almost surely, 2268783420030 is an apocalyptic number.

268783420030 is a deficient number, since it is larger than the sum of its proper divisors (230301177410).

268783420030 is a wasteful number, since it uses less digits than its factorization.

268783420030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10525.

The product of its (nonzero) digits is 387072, while the sum is 43.

The spelling of 268783420030 in words is "two hundred sixty-eight billion, seven hundred eighty-three million, four hundred twenty thousand, thirty".

Divisors: 1 2 5 10 43 86 215 233 269 430 466 538 1165 1345 2330 2690 9973 10019 11567 19946 20038 23134 49865 50095 57835 62677 99730 100190 115670 125354 313385 428839 626770 857678 2144195 2323709 2682737 2695111 4288390 4647418 5365474 5390222 11618545 13413685 13475555 23237090 26827370 26951110 99919487 115357691 199838974 230715382 499597435 576788455 625077721 999194870 1153576910 1250155442 3125388605 6250777210 26878342003 53756684006 134391710015 268783420030