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10310123020 = 225515506151
BaseRepresentation
bin10011001101000011…
…11111111000001100
3222121112022111221011
421212201333320030
5132103342414040
64423021415004
7513331412461
oct114641777014
928545274834
1010310123020
11441088302a
121bb8a0a464
13c84020b12
146db40d668
1540521b3ea
hex26687fe0c

10310123020 has 12 divisors (see below), whose sum is σ = 21651258384. Its totient is φ = 4124049200.

The previous prime is 10310123009. The next prime is 10310123027. The reversal of 10310123020 is 2032101301.

It is not an unprimeable number, because it can be changed into a prime (10310123027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 257753056 + ... + 257753095.

It is an arithmetic number, because the mean of its divisors is an integer number (1804271532).

Almost surely, 210310123020 is an apocalyptic number.

10310123020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10310123020 is an abundant number, since it is smaller than the sum of its proper divisors (11341135364).

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

10310123020 is a wasteful number, since it uses less digits than its factorization.

10310123020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515506160 (or 515506158 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 10310123020 its reverse (2032101301), we get a palindrome (12342224321).

The spelling of 10310123020 in words is "ten billion, three hundred ten million, one hundred twenty-three thousand, twenty".

Divisors: 1 2 4 5 10 20 515506151 1031012302 2062024604 2577530755 5155061510 10310123020