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10277311640 = 235256932791
BaseRepresentation
bin10011001001001001…
…10101010010011000
3222112020120112011212
421210210311102120
5132021442433030
64415450242252
7512452464461
oct114444652230
928466515155
1010277311640
1143a4302392
121ba9a26388
13c7a2a32bb
146d6d0bd68
154023d9595
hex264935498

10277311640 has 16 divisors (see below), whose sum is σ = 23123951280. Its totient is φ = 4110924640.

The previous prime is 10277311633. The next prime is 10277311741. The reversal of 10277311640 is 4611377201.

It is a junction number, because it is equal to n+sod(n) for n = 10277311597 and 10277311606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128466356 + ... + 128466435.

It is an arithmetic number, because the mean of its divisors is an integer number (1445246955).

Almost surely, 210277311640 is an apocalyptic number.

10277311640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10277311640 is an abundant number, since it is smaller than the sum of its proper divisors (12846639640).

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

10277311640 is a wasteful number, since it uses less digits than its factorization.

10277311640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256932802 (or 256932798 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 32.

Adding to 10277311640 its reverse (4611377201), we get a palindrome (14888688841).

The spelling of 10277311640 in words is "ten billion, two hundred seventy-seven million, three hundred eleven thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 20 40 256932791 513865582 1027731164 1284663955 2055462328 2569327910 5138655820 10277311640