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103812051 = 374943431
BaseRepresentation
bin1100011000000…
…00101111010011
321020100012100210
412030000233103
5203033441201
614145015203
72400250020
oct614005723
9236305323
10103812051
1153665592
122a924503
1318679965
14db04547
1591a91d6
hex6300bd3

103812051 has 8 divisors (see below), whose sum is σ = 158189824. Its totient is φ = 59321160.

The previous prime is 103812031. The next prime is 103812053. The reversal of 103812051 is 150218301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 103812051 - 214 = 103795667 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 4943431 = 103812051 / (1 + 0 + 3 + 8 + 1 + 2 + 0 + 5 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103812053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2471695 + ... + 2471736.

It is an arithmetic number, because the mean of its divisors is an integer number (19773728).

Almost surely, 2103812051 is an apocalyptic number.

103812051 is a deficient number, since it is larger than the sum of its proper divisors (54377773).

103812051 is an equidigital number, since it uses as much as digits as its factorization.

103812051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4943441.

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 103812051 is about 10188.8199022262. The cubic root of 103812051 is about 469.9834776144.

The spelling of 103812051 in words is "one hundred three million, eight hundred twelve thousand, fifty-one".

Divisors: 1 3 7 21 4943431 14830293 34604017 103812051