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103021123 = 1371794201
BaseRepresentation
bin1100010001111…
…11101001000011
321011212000102011
412020333221003
5202333133443
614120033351
72360444062
oct610775103
9234760364
10103021123
1153175327
122a602857
131846095a
14d97a1d9
15909eb9d
hex623fa43

103021123 has 8 divisors (see below), whose sum is σ = 104377680. Its totient is φ = 101673600.

The previous prime is 103021099. The next prime is 103021157. The reversal of 103021123 is 321120301.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-103021123 is a prime.

It is a super-2 number, since 2×1030211232 = 21226703568362258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103021423) 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, 22423 + ... + 26623.

It is an arithmetic number, because the mean of its divisors is an integer number (13047210).

Almost surely, 2103021123 is an apocalyptic number.

103021123 is a deficient number, since it is larger than the sum of its proper divisors (1356557).

103021123 is a wasteful number, since it uses less digits than its factorization.

103021123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4517.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 103021123 is about 10149.9321672610. The cubic root of 103021123 is about 468.7868562902.

Adding to 103021123 its reverse (321120301), we get a palindrome (424141424).

The spelling of 103021123 in words is "one hundred three million, twenty-one thousand, one hundred twenty-three".

Divisors: 1 137 179 4201 24523 575537 751979 103021123