Search a number
-
+
26245496420 = 225111323398989
BaseRepresentation
bin11000011100010110…
…100111111001100100
32111202002112100200222
4120130112213321210
5412222321341140
620020152023512
71616250016163
oct303426477144
974662470628
1026245496420
1110148997a10
125105691b98
13262359a250
1413ad95b3da
15a391e85b5
hex61c5a7e64

26245496420 has 96 divisors (see below), whose sum is σ = 67566562560. Its totient is φ = 8426626560.

The previous prime is 26245496371. The next prime is 26245496447. The reversal of 26245496420 is 2469454262.

It is a Harshad number since it is a multiple of its sum of digits (44).

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, 133715 + ... + 265274.

It is an arithmetic number, because the mean of its divisors is an integer number (703818360).

Almost surely, 226245496420 is an apocalyptic number.

26245496420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26245496420 is an abundant number, since it is smaller than the sum of its proper divisors (41321066140).

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

26245496420 is a wasteful number, since it uses less digits than its factorization.

26245496420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399045 (or 399043 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 44.

The spelling of 26245496420 in words is "twenty-six billion, two hundred forty-five million, four hundred ninety-six thousand, four hundred twenty".

Divisors: 1 2 4 5 10 11 13 20 22 23 26 44 46 52 55 65 92 110 115 130 143 220 230 253 260 286 299 460 506 572 598 715 1012 1196 1265 1430 1495 2530 2860 2990 3289 5060 5980 6578 13156 16445 32890 65780 398989 797978 1595956 1994945 3989890 4388879 5186857 7979780 8777758 9176747 10373714 17555516 18353494 20747428 21944395 25934285 36706988 43888790 45883735 51868570 57055427 87777580 91767470 100944217 103737140 114110854 119297711 183534940 201888434 228221708 238595422 285277135 403776868 477190844 504721085 570554270 596488555 1009442170 1141108540 1192977110 1312274821 2018884340 2385954220 2624549642 5249099284 6561374105 13122748210 26245496420