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103213144434 = 23291278146411
BaseRepresentation
bin110000000011111111…
…0111001100101110010
3100212102002201222210010
41200013332321211302
53142340031110214
6115225423515350
710312501152351
oct1400776714562
9325362658703
10103213144434
113a855147074
1218005a58b56
13996b40113a
144dd1aab998
152a41382659
hex1807fb9972

103213144434 has 32 divisors (see below), whose sum is σ = 213565746240. Its totient is φ = 33214708800.

The previous prime is 103213144423. The next prime is 103213144451. The reversal of 103213144434 is 434441312301.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2200689 + ... + 2247099.

It is an arithmetic number, because the mean of its divisors is an integer number (6673929570).

Almost surely, 2103213144434 is an apocalyptic number.

103213144434 is an abundant number, since it is smaller than the sum of its proper divisors (110352601806).

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

103213144434 is a wasteful number, since it uses less digits than its factorization.

103213144434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59226.

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 103213144434 its reverse (434441312301), we get a palindrome (537654456735).

The spelling of 103213144434 in words is "one hundred three billion, two hundred thirteen million, one hundred forty-four thousand, four hundred thirty-four".

Divisors: 1 2 3 6 29 58 87 174 12781 25562 38343 46411 76686 92822 139233 278466 370649 741298 1111947 1345919 2223894 2691838 4037757 8075514 593178991 1186357982 1779536973 3559073946 17202190739 34404381478 51606572217 103213144434