Search a number
-
+
25280000505300 = 22352372277477523
BaseRepresentation
bin1011011111101111101010…
…11100110011010111010100
310022111202002200221001201010
411233313311130303113110
511303141420112132200
6125433245533132220
75216263656555612
oct557676534632724
9108452080831633
1025280000505300
118067208267482
122a0352502a070
131114b80947c68
146357b69526b2
152dc8ce09a150
hex16fdf57335d4

25280000505300 has 72 divisors (see below), whose sum is σ = 75120318651616. Its totient is φ = 6559135263360.

The previous prime is 25280000505203. The next prime is 25280000505317. The reversal of 25280000505300 is 350500008252.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1138727662 + ... + 1138749861.

Almost surely, 225280000505300 is an apocalyptic number.

25280000505300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25280000505300 is an abundant number, since it is smaller than the sum of its proper divisors (49840318146316).

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

25280000505300 is a wasteful number, since it uses less digits than its factorization.

25280000505300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2277477577 (or 2277477570 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The spelling of 25280000505300 in words is "twenty-five trillion, two hundred eighty billion, five hundred five thousand, three hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 37 50 60 74 75 100 111 148 150 185 222 300 370 444 555 740 925 1110 1850 2220 2775 3700 5550 11100 2277477523 4554955046 6832432569 9109910092 11387387615 13664865138 22774775230 27329730276 34162162845 45549550460 56936938075 68324325690 84266668351 113873876150 136648651380 168533336702 170810814225 227747752300 252800005053 337066673404 341621628450 421333341755 505600010106 683243256900 842666683510 1011200020212 1264000025265 1685333367020 2106666708775 2528000050530 4213333417550 5056000101060 6320000126325 8426666835100 12640000252650 25280000505300