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2103998742 = 232199587381
BaseRepresentation
bin111110101101000…
…0111100100010110
312102122001012200100
41331122013210112
513302110424432
6544435554530
7103065460056
oct17532074426
95378035610
102103998742
1198a71a43a
124a875ba46
13276b8ac91
1415d60b566
15c4aa707c
hex7d687916

2103998742 has 24 divisors (see below), whose sum is σ = 4581579600. Its totient is φ = 697807440.

The previous prime is 2103998707. The next prime is 2103998777. The reversal of 2103998742 is 2478993012.

2103998742 is a `hidden beast` number, since 210 + 399 + 8 + 7 + 42 = 666.

It is an interprime number because it is at equal distance from previous prime (2103998707) and next prime (2103998777).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 290109 + ... + 297272.

It is an arithmetic number, because the mean of its divisors is an integer number (190899150).

Almost surely, 22103998742 is an apocalyptic number.

2103998742 is an abundant number, since it is smaller than the sum of its proper divisors (2477580858).

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

2103998742 is a wasteful number, since it uses less digits than its factorization.

2103998742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587588 (or 587585 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 2103998742 is about 45869.3660518652. The cubic root of 2103998742 is about 1281.3914600520.

The spelling of 2103998742 in words is "two billion, one hundred three million, nine hundred ninety-eight thousand, seven hundred forty-two".

Divisors: 1 2 3 6 9 18 199 398 597 1194 1791 3582 587381 1174762 1762143 3524286 5286429 10572858 116888819 233777638 350666457 701332914 1051999371 2103998742