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10311433420 = 225952154151
BaseRepresentation
bin10011001101001101…
…11111110011001100
3222121121210002110111
421212212333303030
5132104211332140
64423105445404
7513345511051
oct114646776314
928547702414
1010311433420
114411598602
121bb9340864
13c8438c3c2
146db671028
154053c97ea
hex2669bfccc

10311433420 has 24 divisors (see below), whose sum is σ = 21656684448. Its totient is φ = 4124064000.

The previous prime is 10311433381. The next prime is 10311433441. The reversal of 10311433420 is 2433411301.

It is a junction number, because it is equal to n+sod(n) for n = 10311433391 and 10311433400.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163345 + ... + 217495.

It is an arithmetic number, because the mean of its divisors is an integer number (902361852).

Almost surely, 210311433420 is an apocalyptic number.

10311433420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10311433420 is an abundant number, since it is smaller than the sum of its proper divisors (11345251028).

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

10311433420 is a wasteful number, since it uses less digits than its factorization.

10311433420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63681 (or 63679 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 10311433420 its reverse (2433411301), we get a palindrome (12744844721).

The spelling of 10311433420 in words is "ten billion, three hundred eleven million, four hundred thirty-three thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 9521 19042 38084 47605 54151 95210 108302 190420 216604 270755 541510 1083020 515571671 1031143342 2062286684 2577858355 5155716710 10311433420