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10345231320 = 233586210261
BaseRepresentation
bin10011010001001111…
…11011001111011000
3222200222101012110120
421220213323033120
5132141334400240
64430314113240
7514236005154
oct115047731730
928628335416
1010345231320
114429682456
12200871b820
13c8b393c68
14701d4c064
15408353ad0
hex2689fb3d8

10345231320 has 32 divisors (see below), whose sum is σ = 31035694320. Its totient is φ = 2758728320.

The previous prime is 10345231319. The next prime is 10345231381. The reversal of 10345231320 is 2313254301.

It is a super-2 number, since 2×103452313202 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

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, 43105011 + ... + 43105250.

Almost surely, 210345231320 is an apocalyptic number.

10345231320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10345231320 is an abundant number, since it is smaller than the sum of its proper divisors (20690463000).

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

10345231320 is a wasteful number, since it uses less digits than its factorization.

10345231320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86210275 (or 86210271 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

Adding to 10345231320 its reverse (2313254301), we get a palindrome (12658485621).

The spelling of 10345231320 in words is "ten billion, three hundred forty-five million, two hundred thirty-one thousand, three hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 86210261 172420522 258630783 344841044 431051305 517261566 689682088 862102610 1034523132 1293153915 1724205220 2069046264 2586307830 3448410440 5172615660 10345231320