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10312620540 = 2235171877009
BaseRepresentation
bin10011001101010111…
…00001100111111100
3222121201000101212220
421212223201213330
5132110012324130
64423151125340
7513361554045
oct114653414774
928551011786
1010312620540
1144122294a2
121bb9813850
13c846b6841
146db89d8cc
15405561410
hex266ae19fc

10312620540 has 24 divisors (see below), whose sum is σ = 28875337680. Its totient is φ = 2750032128.

The previous prime is 10312620509. The next prime is 10312620541. The reversal of 10312620540 is 4502621301.

It is a self number, because there is not a number n which added to its sum of digits gives 10312620540.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10312620541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85938445 + ... + 85938564.

It is an arithmetic number, because the mean of its divisors is an integer number (1203139070).

Almost surely, 210312620540 is an apocalyptic number.

10312620540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10312620540 is an abundant number, since it is smaller than the sum of its proper divisors (18562717140).

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

10312620540 is a wasteful number, since it uses less digits than its factorization.

10312620540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171877021 (or 171877019 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The spelling of 10312620540 in words is "ten billion, three hundred twelve million, six hundred twenty thousand, five hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 171877009 343754018 515631027 687508036 859385045 1031262054 1718770090 2062524108 2578155135 3437540180 5156310270 10312620540