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250313205040 = 24529310678891
BaseRepresentation
bin1110100100011111010…
…1000110010100110000
3212221002202110022122221
43221013311012110300
513100120140030130
6310554200410424
724040665064663
oct3510765062460
9787082408587
10250313205040
1197180307898
1240619476a14
131a7b1c31312
14c1882616da
1567a058587a
hex3a47d46530

250313205040 has 40 divisors (see below), whose sum is σ = 583964530128. Its totient is φ = 99783548160.

The previous prime is 250313205019. The next prime is 250313205049. The reversal of 250313205040 is 40502313052.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 250313204996 and 250313205014.

It is not an unprimeable number, because it can be changed into a prime (250313205049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5316006 + ... + 5362885.

Almost surely, 2250313205040 is an apocalyptic number.

250313205040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

250313205040 is an abundant number, since it is smaller than the sum of its proper divisors (333651325088).

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

250313205040 is a wasteful number, since it uses less digits than its factorization.

250313205040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10679197 (or 10679191 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

Adding to 250313205040 its reverse (40502313052), we get a palindrome (290815518092).

The spelling of 250313205040 in words is "two hundred fifty billion, three hundred thirteen million, two hundred five thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 293 586 1172 1465 2344 2930 4688 5860 11720 23440 10678891 21357782 42715564 53394455 85431128 106788910 170862256 213577820 427155640 854311280 3128915063 6257830126 12515660252 15644575315 25031320504 31289150630 50062641008 62578301260 125156602520 250313205040