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25384140300 = 22352397213133
BaseRepresentation
bin10111101001000000…
…110011111000001100
32102112001201221020110
4113221000303320030
5403441314442200
615354502120020
71556020426641
oct275100637014
972461657213
1025384140300
11a84675a352
124b05120010
132516cb407c
14132b3bddc8
159d87a1b50
hex5e9033e0c

25384140300 has 72 divisors (see below), whose sum is σ = 73630124176. Its totient is φ = 6752021760.

The previous prime is 25384140281. The next prime is 25384140317. The reversal of 25384140300 is 304148352.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12534 + ... + 225666.

Almost surely, 225384140300 is an apocalyptic number.

25384140300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25384140300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36815062088).

25384140300 is an abundant number, since it is smaller than the sum of its proper divisors (48245983876).

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

25384140300 is a wasteful number, since it uses less digits than its factorization.

25384140300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213547 (or 213540 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 25384140300 its reverse (304148352), we get a palindrome (25688288652).

The spelling of 25384140300 in words is "twenty-five billion, three hundred eighty-four million, one hundred forty thousand, three hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 150 300 397 794 1191 1588 1985 2382 3970 4764 5955 7940 9925 11910 19850 23820 29775 39700 59550 119100 213133 426266 639399 852532 1065665 1278798 2131330 2557596 3196995 4262660 5328325 6393990 10656650 12787980 15984975 21313300 31969950 63939900 84613801 169227602 253841403 338455204 423069005 507682806 846138010 1015365612 1269207015 1692276020 2115345025 2538414030 4230690050 5076828060 6346035075 8461380100 12692070150 25384140300