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3781290103 = 9257408479
BaseRepresentation
bin1110000101100001…
…1110100001110111
3100202112011102212121
43201120132201313
530221002240403
61423114100411
7162463302253
oct34130364167
910675142777
103781290103
111670492248
1289641a707
13483516286
1427c2a1263
15171e723bd
hexe161e877

3781290103 has 4 divisors (see below), whose sum is σ = 3781707840. Its totient is φ = 3780872368.

The previous prime is 3781290043. The next prime is 3781290119. The reversal of 3781290103 is 3010921873.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3781290103 - 225 = 3747735671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3781290173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194983 + ... + 213496.

It is an arithmetic number, because the mean of its divisors is an integer number (945426960).

Almost surely, 23781290103 is an apocalyptic number.

3781290103 is a deficient number, since it is larger than the sum of its proper divisors (417737).

3781290103 is an equidigital number, since it uses as much as digits as its factorization.

3781290103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417736.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 3781290103 is about 61492.1954641400. The cubic root of 3781290103 is about 1557.9254287104.

The spelling of 3781290103 in words is "three billion, seven hundred eighty-one million, two hundred ninety thousand, one hundred three".

Divisors: 1 9257 408479 3781290103