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103120431142340 = 2255156021557117
BaseRepresentation
bin10111011100100110011000…
…101010101101010111000100
3111112010012212011000201100002
4113130212120222231113010
5102004011120333023330
61003152512211340432
730502130262210443
oct2734463052552704
9445105764021302
10103120431142340
112a948147043657
12b69551b8b1718
1345702a4286701
141b670ac400d5a
15bdc5ebc7ee45
hex5dc998aad5c4

103120431142340 has 12 divisors (see below), whose sum is σ = 216552905398956. Its totient is φ = 41248172456928.

The previous prime is 103120431142291. The next prime is 103120431142343. The reversal of 103120431142340 is 43241134021301.

It can be written as a sum of positive squares in 2 ways, for example, as 79725719513476 + 23394711628864 = 8928926^2 + 4836808^2 .

It is a super-3 number, since 3×1031204311423403 (a number of 43 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (103120431142343) 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, 2578010778539 + ... + 2578010778578.

It is an arithmetic number, because the mean of its divisors is an integer number (18046075449913).

Almost surely, 2103120431142340 is an apocalyptic number.

103120431142340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103120431142340 is an abundant number, since it is smaller than the sum of its proper divisors (113432474256616).

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

103120431142340 is a wasteful number, since it uses less digits than its factorization.

103120431142340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5156021557126 (or 5156021557124 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 103120431142340 its reverse (43241134021301), we get a palindrome (146361565163641).

The spelling of 103120431142340 in words is "one hundred three trillion, one hundred twenty billion, four hundred thirty-one million, one hundred forty-two thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 5156021557117 10312043114234 20624086228468 25780107785585 51560215571170 103120431142340