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103121037 = 3219603047
BaseRepresentation
bin1100010010110…
…00000010001101
321012001002110200
412021120002031
5202344333122
614122124113
72361341265
oct611300215
9235032420
10103121037
11532333a8
122a650639
1318497286
14d9a47a5
1590be5ac
hex625808d

103121037 has 12 divisors (see below), whose sum is σ = 156792480. Its totient is φ = 65128968.

The previous prime is 103121033. The next prime is 103121047. The reversal of 103121037 is 730121301.

It is not a de Polignac number, because 103121037 - 22 = 103121033 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103121033) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 301353 + ... + 301694.

It is an arithmetic number, because the mean of its divisors is an integer number (13066040).

Almost surely, 2103121037 is an apocalyptic number.

It is an amenable number.

103121037 is a deficient number, since it is larger than the sum of its proper divisors (53671443).

103121037 is a wasteful number, since it uses less digits than its factorization.

103121037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 603072 (or 603069 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 18.

The square root of 103121037 is about 10154.8528792888. The cubic root of 103121037 is about 468.9383567296.

Adding to 103121037 its reverse (730121301), we get a palindrome (833242338).

The spelling of 103121037 in words is "one hundred three million, one hundred twenty-one thousand, thirty-seven".

Divisors: 1 3 9 19 57 171 603047 1809141 5427423 11457893 34373679 103121037